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Flowtech 11506

Flowtech Long Tube Headers

387-11506

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Save $20 off $250, $40 off $500, $100 off $1,000. Promo Code: RACE2SAVE exclusions apply

$170.99
Flowtech Long Tube Headers $170.99
Out of stock
4 left in stock
QTY
Long Tube Headers
  • Chevy 283-400
  • 1967-1987 Chevy/GMC 1/2, 3/4 & 1-Ton 4WD
  • 1967-1991 Blazer/Jimmy K5, Suburban 4WD
  • 1.625'' Tube
  • 2.5'' Collector
  • Painted Black
  • Flowtech 11506 Details

    GM Truck/SUV

  • Must modify stock exhaust to retain catalytic converters
  • Applications with oxygen sensors use reducers 387-10105 for 2-1/2'' three bolt flange
  • On 1983-84 4WD, it is necessary to remove the rubber stopper below the starter
  • Installation Requires A/C Bracket 387-10042
  • May require clutch linkage modifications

  • Specifications:

    Application
    Automotive
    Bolts/Studs Included
    Yes
    Catalytic Converter(s) Included
    No
    Collector Attachment
    3-bolt flange
    Collector Diameter (in.)
    2.5
    Cross Over Pipe Included
    No
    Flange Style
    Standard
    Gaskets Included
    Yes
    Header Finish
    Painted
    Header Material
    Steel
    Header Style
    Full-length
    Motor Mounts Included
    No
    Primary Tube Diameter (in.)
    1 5/8
    Primary Tube Gauge
    18-gauge
    Quantity
    Sold as a pair
    Reducers Included
    Yes
    Transmission Mount Included
    No
    Tube Direction
    Down Swept
    Tuned
    No
    Weld-Up
    No
    Manufacturer's Part Number:
    11506FLT
    Shipping Weight:
    28.1
    Package Height:
    37
    Package Depth:
    19
    Package Width:
    9.5

    Bolt-On Performance!

    Flowmaster is a smart choice for quality performance exhaust headers at a great price.  All Flowtech Headers are sold in pairs and are available in mild steel, 304 or 409 stainless steel with either a natural, painted, ceramic coated or polished finish.

    Features:

    • Application Specific for an exact fit
    • Mild Steel, 304 or 409 stainless steel construction
    • 3/8 in. thick flanges provide a leak-free seal
    • Shorty, standard and long tube lengths available
    • Natural, painted, ceramic coated and polished finishes available

     JEGS Easy Kits are designed by JEGS high-performance racing professionals to help you get all the performance parts you need for your race car, hot rod or truck.

     

    Does Flowtech 11506 fit your vehicle?

    Narrow Results

    1972  GMC K25/K2500 PICKUP

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  CHEVROLET K30 PICKUP

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  GMC K25/K2500 SUBURBAN

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1974  GMC K1500 PICKUP

    • CC: 5737
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1984  GMC JIMMY

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1978  GMC K15 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SIERRA CLASSIC
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1967  GMC K25/K2500 PICKUP

    • CC: 4638
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1973  CHEVROLET K20 SUBURBAN

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1977-1978  GMC K25 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1969-1971  CHEVROLET K10 SUBURBAN

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1970  CHEVROLET K20 SUBURBAN

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980  GMC K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1974  GMC K25/K2500 PICKUP

    • CC: 5737
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1970  CHEVROLET K20 SUBURBAN

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1984  GMC JIMMY

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1986  CHEVROLET K30 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978  GMC K1500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1974  CHEVROLET K10 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968  CHEVROLET K20 PICKUP

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1977-1978  GMC K35 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SIERRA GRANDE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  CHEVROLET K20 SUBURBAN

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: CUSTOM DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1969-1971  CHEVROLET K20 SUBURBAN

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1969-1971  CHEVROLET K10 SUBURBAN

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1979-1980  GMC K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SIERRA GRANDE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1970  GMC K15/K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  CHEVROLET BLAZER K5

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: CUSTOM DELUXE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1981  CHEVROLET K10 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1986  GMC K1500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1979  CHEVROLET K20 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: CUSTOM DELUXE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979  CHEVROLET K20 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SILVERADO
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1978  GMC K25 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: HIGH SIERRA
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1974  CHEVROLET K30 PICKUP

    • CC: 5737
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968  CHEVROLET K30 PICKUP

    • CC: 5358
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1988-1991  CHEVROLET BLAZER

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  GMC K35/K3500 PICKUP

    • CC: 5737
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET K10 PICKUP

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: CUSTOM DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977-1978  GMC K15 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SIERRA GRANDE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1979  GMC K1500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: HIGH SIERRA
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1968  CHEVROLET K10 SUBURBAN

    • CC: 5358
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1969-1971  GMC K1500 PICKUP

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985  CHEVROLET K20 PICKUP

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980  GMC K2500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SIERRA GRANDE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980  CHEVROLET BLAZER K5

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1978  GMC K15 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1971-1972  GMC K15/K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1979  CHEVROLET K20 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SILVERADO
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979  CHEVROLET K10 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SILVERADO
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973  GMC JIMMY

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982-1984  CHEVROLET K10 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  CHEVROLET K10 PICKUP

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET K30 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • Aspiration: N
    • SubModel: CUSTOM DELUXE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1981  CHEVROLET K20 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  GMC K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: HIGH SIERRA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1974  GMC K25/K2500 SUBURBAN

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968  GMC K15/K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.4
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1972  GMC K25/K2500 PICKUP

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1977  CHEVROLET K20 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET K10 PICKUP

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1980  CHEVROLET K20 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968  CHEVROLET K20 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.4
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1981-1986  GMC K1500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: HIGH SIERRA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1985-1986  GMC K2500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  GMC K1500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1971  CHEVROLET K20 PICKUP

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1982  GMC K2500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SIERRA GRANDE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET K20 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • Aspiration: N
    • SubModel: SCOTTSDALE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1978  GMC K25 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: HIGH SIERRA
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972  CHEVROLET K20 PICKUP

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1979  GMC JIMMY

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: HIGH SIERRA
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979  GMC K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1982-1984  GMC K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: HIGH SIERRA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1972  CHEVROLET K10 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1968  GMC K25/K2500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.4
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1980  CHEVROLET K30 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • Aspiration: N
    • SubModel: SILVERADO
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1987-1991  CHEVROLET BLAZER

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1982  GMC K1500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SIERRA GRANDE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980  GMC K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SIERRA CLASSIC
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979  GMC K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SIERRA GRANDE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1973  CHEVROLET K10 SUBURBAN

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978  CHEVROLET K5 BLAZER

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1984  GMC JIMMY

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: HIGH SIERRA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1972  GMC K25/K2500 PICKUP

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1979  CHEVROLET K20 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SCOTTSDALE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1985-1987  GMC JIMMY

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1978  GMC K15 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SIERRA GRANDE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1980  GMC K3500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SIERRA GRANDE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1979  CHEVROLET K30 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: CHEYENNE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1969-1971  CHEVROLET K30 PICKUP

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1977-1978  CHEVROLET K20 PICKUP

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: CUSTOM DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1968  CHEVROLET K20 SUBURBAN

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1982-1983  CHEVROLET K20 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978  GMC K15 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1986  GMC K2500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1980  CHEVROLET K30 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980  GMC K2500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: HIGH SIERRA
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1978  GMC K25 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  CHEVROLET K5 BLAZER

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1971  GMC K25/K2500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1986  GMC K1500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1985-1986  CHEVROLET BLAZER K5

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Req. A/C Bracket PN[10042FLT]~Must Remove The Rubber Stopper Below The Starter~This part is legal for sale or use on Racing Use Only Vehicles~WARNING: It is against the law to install this part on an Emissions Controlled~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )
    11506 is rated 4.0 out of 5 by 2.
    Rated 4 out of 5 by from Good quality! I bought these a month ago and just got them installed onto my 88 K5 Blazer. Make sure after you install them to buy flame resistant paint and spray them to prevent rusting or chipping.
    Date published: 2017-05-05
    Rated 4 out of 5 by from easy instal Easy installation the only issue I had was the gaskets were messed up during shipping and it would be wise to invest in a spacer for the power steering bracket great product sounds good
    Date published: 2016-05-10
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    I have an 81' K20 Scottsdale Pickup with the NP208 t-case. Will these have any clearance issues with the frame or starter or front driveshaft at all?

    Asked by: Chace
    No, these are made to fit your truck and we would not expect any clearance issues.
    Answered by: Rusty B
    Date published: 2018-08-16
    • y_2019, m_8, d_22, h_9CST
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    Items You Need

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    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

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    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.