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Motive Gear GM12-373

Motive Gear Ring & Pinion Gears 8.875" 12-Bolt Ratio: 3.73

683-GM12-373

Free Shipping Ships directly from the manufacturer
Save $10 off $199, $45 off $499, $100 off $999. Promo Code: FALLFUN exclusions apply

$192.72
Motive Gear Ring & Pinion Gears 8.875" 12-Bolt Ratio: 3.73 $192.72
Out of stock
QTY
Ring & Pinion Gears
  • Ratio: 3.73
  • Teeth: 41-11
  • Motive Gear GM12-373 Details

    GM 8.875" 12-Bolt

  • Ring Gear Diameter: GM 8.875"
  • Pinion Shaft Diameter: 1.438"
  • Cover Bolts: 12
  • Ring Gear Bolts: 12
    Applications:
  • 1964-1981 GM 1/2-Ton Pickup
  • 1969-1981 GM 3/4-Ton Pickup

    Note: Fits 3.73 & higher case.

  • Specifications:

    Axle Type
    GM 8.875 in.
    Cover Bolt Quantity
    12
    Pinion Gear Tooth Quantity
    11
    Pinion Spline Count
    30
    Ring Gear Bolt Quantity
    12
    Ring Gear Diameter
    8.875
    Ring Gear Material
    8620 Steel
    Ring Gear Tooth Quantity
    41
    Ring Gear Rotation
    Standard
    Pinion Shaft Diameter
    1.438
    Pinion Shaft Diameter
    1.438
    Differential Carrier Break
    3.73 and Higher
    Manufacturer's Part Number:
    GM12-373
    Shipping Weight:
    13.85
    Package Height:
    15
    Package Depth:
    5.3
    Package Width:
    11.2

    OEM-Quality Ring and Pinions

    Motive Gear Ring & Pinion Gears are the differential's critical point of power transfer, and one of the simplest performance modifications to complete on a vehicle. Motive's high-quality Ring & Pinion Gears are made from 8620 steel for superior strength and come in a variety of ratios; making them excellent factory replacements for both on-street and off-road vehicles.

    Does Motive Gear GM12-373 fit your vehicle?

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    1976-1978  GMC C15 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1978  GMC C15

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1975  GMC C15 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972  GMC JIMMY

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1976-1978  GMC C25

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  GMC C1500

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975  GMC C15

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Q
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1982  CHEVROLET K10 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1970-1972  GMC P25/P2500 VAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1978  GMC K15 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1979  GMC C1500

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1978  GMC C25

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1979-1981  GMC C2500

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1973-1974  GMC G25/G2500 VAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: VANDURA
    • Engine Vin: Q
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1973-1974  GMC C15/C1500 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Q
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1981-1982  GMC C1500

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: STREET COUPE
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1971  CHEVROLET BLAZER

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1976-1981  CHEVROLET C20

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1972  GMC C25/C2500 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1976-1978  GMC K15

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1977-1978  GMC K15

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973-1974  GMC JIMMY

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1967-1969  GMC C15/C1500 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 305
    • EngineType: V6 ( 5 L / 305 )

    1979-1981  GMC C2500 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: T
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1981-1982  GMC K1500

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1981-1982  GMC K1500

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1966  CHEVROLET SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1971  CHEVROLET BLAZER

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1976-1981  CHEVROLET G10

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEVY VAN
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1972  GMC C25/C2500 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1971  GMC C15/C1500 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1976-1980  CHEVROLET C20

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET C10

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1973-1974  GMC K15/K1500 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Q
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1967-1969  GMC C15/C1500 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 305
    • EngineType: V6 ( 5 L / 305 )

    1969-1974  CHEVROLET C10 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  GMC K15

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Q
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1969  CHEVROLET G10 VAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SPORTVAN
    • Engine Vin: U
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1978  GMC C15

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: STREET COUPE
    • Engine Vin: Z
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970-1971  GMC C25/C2500 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: N
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1981  GMC C1500 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1972  CHEVROLET G10 VAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982  CHEVROLET C10 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1966-1967  CHEVROLET P20 SERIES

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 2.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: T
    • CUI: 159
    • EngineType: L3 ( 2.6 L / 159 )

    1971  CHEVROLET BLAZER

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1971  GMC C25/C2500 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1973-1974  CHEVROLET C20 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1981  CHEVROLET G20

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: NOMAD
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1979  CHEVROLET P20

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980  GMC C1500 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1976-1980  CHEVROLET G10

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BEAUVILLE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1980  CHEVROLET C10 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: Z
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET C20 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1979-1981  GMC G1500

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: RALLY STX
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1973-1974  GMC K15/K1500 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  CHEVROLET C20 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1970  GMC G25/G2500 VAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: VANDURA
    • Engine Vin: N
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1969-1974  CHEVROLET C10 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  CHEVROLET C20

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980  CHEVROLET C10 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982  GMC K1500 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: C
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1975-1976  CHEVROLET C10

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969  CHEVROLET K10 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1973-1974  CHEVROLET G20 VAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1978-1979  GMC JIMMY

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: STREET COUPE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975  CHEVROLET K10

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET K10 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977  CHEVROLET P10

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973-1974  GMC C25/C2500 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1972  GMC K15/K1500 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1980  CHEVROLET C10 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977  GMC K15

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: INDY HAULER
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1972  CHEVROLET G10 VAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SPORTVAN
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1966-1969  GMC K15/K1500 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 305
    • EngineType: V6 ( 5 L / 305 )

    1968  GMC K15/K1500 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1974  CHEVROLET C20 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  CHEVROLET K20 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  CHEVROLET C10 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1977-1978  GMC K15 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1971  GMC C25/C2500 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1973-1974  CHEVROLET C20 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  GMC K15/K1500 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1977-1979  CHEVROLET K10 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980  CHEVROLET C20

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970-1972  GMC C25/C2500 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1979  GMC C1500

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: STREET COUPE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1971  CHEVROLET K10 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1979-1980  GMC C1500 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1980  CHEVROLET K10

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1980  CHEVROLET C10

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BIG TEN
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  GMC K15 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968-1969  CHEVROLET K10 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1977-1979  CHEVROLET C20 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973  CHEVROLET C10 SUBURBAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1979-1981  GMC G1500

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: RALLY
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1965  GMC PB1500 SERIES

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1973-1974  GMC K15/K1500 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  CHEVROLET C20 PICKUP

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1970  GMC JIMMY

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1981  CHEVROLET K5 BLAZER

    • Fitment_Note: For GM 8.875" (12 Bolt); 3.73 Ratio; 3.73 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )
    Some parts are not legal for use in California or other states with similar laws / regulations

    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.

    Tools:

    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.