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Weiand 7587P

6-71 Supercharger Kit 1955-86 Small Block Chevy Drive Pitch: 8mm

Weiand 7587P
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Product images may differ from actual product appearance.

925-7587P

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Estimated ship date 10/04/17 if Ordered Today
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Weiand 7587P 6-71 Supercharger Kit 1955-86 Small Block Chevy Drive Pitch: 8mm $3,687.95
6-71 Supercharger Kit
  • 1955-86 Small Block Chevy
  • Drive Pitch: 8mm
  • 11.5% Underdrive Ratio
  • Polished Finish

  • Weiand 7587P Details

    6-71 Superchargers - Chevrolet Small Block

  • 34 Tooth Lower Pulley
  • 38 Tooth Upper Pulley

    Note: This kit includes two extra 1/8" NPT plugs. Your manifold may have two 1/8" NPT ports tapped in the back of it. These are vacuum / boost ports that can be used for a boost gauge, boost reference power valves, or any other items that need to be connected to a boost / vacuum source. If these ports are not needed, use the included plugs to block these ports.

    Pop Off Valve Installation Guide

  • Specifications:

    Finish
    Polished
    Blower Size
    6-71
    Manufacturer's Part Number:
    7587P

    More than 40 Years in the Supercharger Business

    Weiand superchargers can be found in all aspects of racing, from tractor pulls to the quarter mile. When you pull into your local cruise-in or dragstrip with one of these 6-71 superchargers sticking through the hood you are sure to be noticed. Producing 50%+ more horsepower and torque, the 6-71 supercharger is not just your average supercharger!

    All 6-71 kits are available with either the traditional 1/2" pitch (one piece snout) or the extra tough 8mm belt configurations to suit your needs.

    Got a HEMI? Weiand has nostalgic supercharger kits for early Chrysler Hemi's (331, 354 or 392). Hemi kits have the traditional 1/2" pitch drive and early one piece snout.

    Supercharger Features:
  • Roots-type two-lobe helical rotor eliminates flex
  • Rotor setup closes tolerances for maximum boost efficiency
  • Equal distribution of fuel/air mixture optimizes HP gains
  • Mounts with standard distributor setup
  • Heavy-duty bearing plates eliminate cracking
  • Rear plates use premium sealed ball bearings
  • Front bearings lubricated by oil bath
  • Front rotor shaft seals are double-lipped with PTFE
  • Kits are designed to produce 10-12 lbs of boost on small blocks and 5-7 lbs of boost on big blocks but are a simple pulley change away from pump gas or hard core racing.

    6-71 Street Supercharger Kits Include:
  • Polished or Satin 6-71 Supercharger with gears and bearing plates
  • Supercharger Intake Manifold
  • 2-4V Carburetor Adapter
  • Supercharger to Manifold Gasket
  • Carburetor Adapter to Supercharger Gasket
  • 3" Gilmer Belt, pulleys, brackets, idler, and necessary fasteners

    Note: Kits do not allow enough clearance to fit a GM HEI distributor. Fuel lines not included.

  • Does Weiand 7587P fit your vehicle?

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    Aspiration

    1955-1956 GMC FM350

    • CC: 5179
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.2
    • SubModel: BASE
    • CUI: 316
    • EngineType: V8 ( 5.2 L / 316 )

    1984-1986 CHEVROLET CORVETTE

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • EngineType: ALL
    • SubModel: ALL

    1973-1974 CHEVROLET LAGUNA

    • CC: 5737
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983 CHEVROLET MONTE CARLO

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: SS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 CHEVROLET MALIBU

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • EngineType: ALL
    • SubModel: CLASSIC ESTATE

    1961-1966 CHEVROLET C20 PICKUP

    • CC: 4638
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1981 CHEVROLET C10 PICKUP

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1978 GMC C25/C2500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982 GMC C1500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: STREET COUPE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978 CHEVROLET G20 VAN

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: SPORTVAN
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1982 GMC K1500 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: SIERRA GRANDE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1967 GMC C35/C3500 PICKUP

    • CC: 4638
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1972 CHEVROLET K20 PICKUP

    • CC: 5736
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972 CHEVROLET KINGSWOOD

    • CC: 5737
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • Aspiration: N
    • SubModel: ESTATE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1984 CHEVROLET IMPALA

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977-1980 CHEVROLET MALIBU

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 BUICK LESABRE

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1972 CHEVROLET CHEVELLE

    • CC: 6555
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: SS
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1981 CHEVROLET C20 SUBURBAN

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1968-1973 CHEVROLET G10 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: SPORTVAN
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1975-1978 GMC K15 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1986 GMC G35/G3500 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: RALLY CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1965-1967 CHEVROLET CHEVELLE

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 4.6
    • SubModel: DELUXE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1976 CHEVROLET MALIBU

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: CLASSIC LANDAU
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1978-1980 CHEVROLET C10 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 CHEVROLET P30 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1981-1986 CHEVROLET C20 PICKUP

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 CHEVROLET BLAZER K5

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: CHEYENNE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1967-1968 GMC C15/C1500 SUBURBAN

    • CC: 5358
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1977-1978 GMC K25 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977-1978 GMC K35 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: SIERRA GRANDE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1972 CHEVROLET K30 PICKUP

    • CC: 5736
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1955 GMC 250-22

    • CC: 5179
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.2
    • SubModel: BASE
    • CUI: 316
    • EngineType: V8 ( 5.2 L / 316 )

    1985 CHEVROLET K20 PICKUP

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1958-1967 PONTIAC STRATO-CHIEF

    • CC: 4638
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1969 CHEVROLET KINGSWOOD

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: ESTATE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1982-1986 PONTIAC PARISIENNE

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1980 CHEVROLET G10 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: BEAUVILLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: CUSTOM DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1972 CHEVROLET K10 PICKUP

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1971 CHEVROLET BROOKWOOD

    • CC: 6555
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1971 CHEVROLET CHEVELLE

    • CC: 6556
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: SS
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1957 CHEVROLET DEL RAY

    • CC: 4638
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1978 GMC C25 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1955 GMC 280-22

    • CC: 5179
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.2
    • SubModel: BASE
    • CUI: 316
    • EngineType: V8 ( 5.2 L / 316 )

    1979-1983 GMC C3500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1959-1967 CHEVROLET IMPALA

    • CC: 4638
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1970-1971 CHEVROLET G30 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1971 GMC K25/K2500 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980 GMC K2500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1982 GMC C2500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: SIERRA GRANDE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968 CHEVROLET K20 SUBURBAN

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1955 GMC FM350

    • CC: 4720
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 4.7
    • SubModel: BASE
    • CUI: 288
    • EngineType: V8 ( 4.7 L / 288 )

    1979 OLDSMOBILE CUTLASS

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • Aspiration: N
    • SubModel: VISTA CRUISER BROUGHAM
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972 CHEVROLET K10 PICKUP

    • CC: 5736
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1979 GMC G35/G3500 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: VANDURA SPECIAL
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975 OLDSMOBILE CUSTOM CRUISER

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: PANEL
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1969-1973 GMC C15/C1500 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1964-1967 PONTIAC BEAUMONT

    • CC: 4638
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1984-1986 CHEVROLET C10 SUBURBAN

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1960-1963 GMC 2500 SERIES PICKUP

    • CC: 4638
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1968-1969 CHEVROLET P30 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1969-1972 CHEVROLET K20 SUBURBAN

    • CC: 5736
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1959 CHEVROLET 3F PICKUP

    • CC: 4638
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 4.6
    • SubModel: 3700
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1961-1962 CHEVROLET P30 SERIES VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1978-1979 CHEVROLET NOVA

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978 GMC K15 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1973 CHEVROLET CAPRICE

    • CC: 5737
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • Aspiration: N
    • SubModel: ESTATE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1986 CHEVROLET G10 VAN

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: BEAUVILLE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1976-1980 CHEVROLET C20 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: CUSTOM DELUXE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1963-1967 CHEVROLET CHEVY II

    • CC: 4638
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1982 CHEVROLET C10 SUBURBAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1986 CHEVROLET G10 VAN

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: SPORTVAN
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980-1981 PONTIAC CATALINA

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: SAFARI
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980 CHEVROLET MALIBU

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 4.4
    • SubModel: BASE
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1972 GMC K25/K2500 PICKUP

    • CC: 5736
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972 CHEVROLET CHEVELLE

    • CC: 5737
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CONCOURS
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971-1972 CHEVROLET CHEVELLE

    • CC: 6555
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: CONCOURS
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1969-1970 CHEVROLET IMPALA

    • CC: 5736
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973 GMC K25/K2500 PICKUP

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1976-1978 GMC C35/C3500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1982 OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 4.4
    • SubModel: BASE
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1971-1972 GMC P35/P3500 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972-1974 CHEVROLET MONTE CARLO

    • CC: 5737
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974 CHEVROLET CAPRICE

    • CC: 5737
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CLASSIC
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1973 GMC C25/C2500 PICKUP

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1985 PONTIAC FIREBIRD

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: S/E
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1964-1968 PONTIAC BEAUMONT

    • CC: 5358
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1978-1980 GMC C1500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: HIGH SIERRA
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979 GMC G15/G1500 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: RALLY
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979 GMC C3500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: SIERRA CLASSIC
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1979 OLDSMOBILE OMEGA

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1980 GMC K1500 PICKUP

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: SIERRA GRANDE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975 CHEVROLET P10 VAN

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977 CHEVROLET MONZA

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: TOWNE COUPE CABRIOLET
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1973 CHEVROLET K30 PICKUP

    • CC: 5736
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1967-1968 CHEVROLET CHEVELLE

    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.4
    • SubModel: CONCOURS
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1982-1986 CHEVROLET CAMARO

    • CC: 5031
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 5.0
    • SubModel: SPORT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1974 CHEVROLET MONTE CARLO

    • CC: 6556
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: LANDAU
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970-1971 CHEVROLET CHEVELLE

    • CC: 6556
    • Fitment_Note: Gilmer Toothed Belt w/Pop Off Valve In Enclosed Compart. Not Recommended~May Req. RaceGas Unless PullyRatio Altered To Reduce Comp. Ratio Below 12:1~Double Keyed Crankshaft and SFI Approved Balancer Recommended~Consultation w/Tech Rep May Be Necessary Call 270-781-9741~Not Compatible w/Mericruiser/OMC/Volvo Penta Accessory Drives~Requires Short Water Pump and 2V Pulley
    • Liter: 6.6
    • SubModel: MALIBU
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )
    Items You Need

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