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Richmond Gear GM 12-Bolt Pro Gear Ring and Pinion Set Ratio: 4.33

836-79-0074-1


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Richmond Gear 79-0074-1
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GM 12-Bolt Pro Gear Ring and Pinion Set
  • Ratio: 4.33
  • Teeth: 39-9
  • Free Shipping - Ships on 05/26/20

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    1972  CHEVROLET MONTE CARLO

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1966-1969  PONTIAC STRATO-CHIEF

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 427
    • EngineType: V8 ( 7 L / 427 )

    1967-1968  CHEVROLET CHEVELLE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 300
    • Engine Vin: -
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1971  PONTIAC BONNEVILLE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970  PONTIAC LEMANS

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: -
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1967  BUICK ELECTRA

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 430
    • EngineType: V8 ( 7 L / 430 )

    1968-1971  OLDSMOBILE DELTA 88

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1967  BUICK SPECIAL

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 3.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 225
    • EngineType: V6 ( 3.7 L / 225 )

    1968  CHEVROLET CHEVY II

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: NOVA
    • Engine Vin: HJ
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1971  PONTIAC CATALINA

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1966  PONTIAC CATALINA

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.9
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 421
    • EngineType: V8 ( 6.9 L / 421 )

    1970-1971  PONTIAC FIREBIRD

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1967  BUICK GRAN SPORT

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1966-1969  PONTIAC LAURENTIAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1971  CHEVROLET EL CAMINO

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: P
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1967  BUICK SPECIAL

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 3.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: -
    • CUI: 225
    • EngineType: V6 ( 3.7 L / 225 )

    1968  CHEVROLET BEL AIR

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1970  PONTIAC CATALINA

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: VENTURA
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1966  PONTIAC CATALINA

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: -
    • CUI: 389
    • EngineType: V8 ( 6.4 L / 389 )

    1970-1971  PONTIAC FIREBIRD

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1968  CHEVROLET CHEVELLE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 300
    • Engine Vin: HJ
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1966-1971  OLDSMOBILE F85

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1965  PONTIAC BONNEVILLE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 389
    • EngineType: V8 ( 6.4 L / 389 )

    1966  OLDSMOBILE JETSTAR 88

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HOLIDAY
    • Engine Vin: -
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    1971  OLDSMOBILE 442

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1967  BUICK SPECIAL

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 4.9
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: -
    • CUI: 300
    • EngineType: V8 ( 4.9 L / 300 )

    1970  PONTIAC EXECUTIVE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1968-1969  CHEVROLET CHEVELLE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: NOMAD
    • Engine Vin: -
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1970  PONTIAC CATALINA

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: VENTURA
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970  PONTIAC LAURENTIAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972  CHEVROLET CHEVELLE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: NOMAD
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1966  PONTIAC CATALINA

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: VENTURA
    • Engine Vin: -
    • CUI: 389
    • EngineType: V8 ( 6.4 L / 389 )

    1970-1971  PONTIAC FIREBIRD

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESPRIT
    • Engine Vin: -
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1968  CHEVROLET CHEVELLE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 300
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1965  PONTIAC CATALINA

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: -
    • CUI: 389
    • EngineType: V8 ( 6.4 L / 389 )

    1966  PONTIAC BONNEVILLE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 389
    • EngineType: V8 ( 6.4 L / 389 )

    1971  OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968-1969  CHEVROLET CHEVELLE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: MALIBU
    • Engine Vin: -
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1966-1967  PONTIAC LEMANS

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 230
    • EngineType: L6 ( 3.8 L / 230 )

    1970  PONTIAC FIREBIRD

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: TRANS AM
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1967  OLDSMOBILE DELMONT 88

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 425
    • EngineType: V8 ( 7 L / 425 )

    1971  OLDSMOBILE DELTA 88

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1965  CHEVROLET CHEVELLE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: -
    • CUI: 230
    • EngineType: L6 ( 3.8 L / 230 )

    1971  PONTIAC LEMANS

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: T37
    • Engine Vin: -
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1972  CHEVROLET MONTE CARLO

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1969  CHEVROLET CAMARO

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: RS
    • Engine Vin: FB
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1970  PONTIAC EXECUTIVE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1968-1969  CHEVROLET EL CAMINO

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 230
    • EngineType: L6 ( 3.8 L / 230 )

    1969  CHEVROLET CHEVELLE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SS
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1971  CHEVROLET CAMARO

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: RS
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970  PONTIAC EXECUTIVE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970  CHEVROLET EL CAMINO

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972  BUICK LESABRE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: T
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1970  PONTIAC LAURENTIAN

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1968  CHEVROLET CAMARO

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SS
    • Engine Vin: -
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1969  PONTIAC LEMANS

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: -
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1972  CHEVROLET EL CAMINO

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1968  OLDSMOBILE DELMONT 88

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970  CHEVROLET EL CAMINO

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: B
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1971  OLDSMOBILE DELTA 88

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  PONTIAC FIREBIRD

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESPRIT
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970  PONTIAC BONNEVILLE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1971  OLDSMOBILE CUTLASS

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: S
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969  PONTIAC LEMANS

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  BUICK SKYLARK

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: -
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1971  PONTIAC BONNEVILLE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  BUICK LESABRE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: T
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1971  BUICK SKYLARK

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  CHEVROLET CHEVELLE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970-1971  PONTIAC CATALINA

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1967  CHEVROLET CHEVELLE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 4.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 300
    • Engine Vin: -
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1971  CHEVROLET EL CAMINO

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1970  PONTIAC EXECUTIVE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1969  PONTIAC LEMANS

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1966  PONTIAC CATALINA

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 389
    • EngineType: V8 ( 6.4 L / 389 )

    1971  OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1968-1969  CHEVROLET EL CAMINO

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 230
    • EngineType: L6 ( 3.8 L / 230 )

    1970-1971  PONTIAC PARISIENNE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970  PONTIAC CATALINA

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970  PONTIAC FIREBIRD

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1965-1966  OLDSMOBILE DELTA 88

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HOLIDAY
    • Engine Vin: -
    • CUI: 425
    • EngineType: V8 ( 7 L / 425 )

    1968-1971  PONTIAC LEMANS

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1965  PONTIAC LEMANS

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 3.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 215
    • EngineType: L6 ( 3.5 L / 215 )

    1971  PONTIAC LEMANS

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: T37
    • Engine Vin: -
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1966  OLDSMOBILE F85

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1972  PONTIAC CATALINA

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: Y
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1969-1970  CHEVROLET NOVA

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1966-1969  PONTIAC PARISIENNE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 427
    • EngineType: V8 ( 7 L / 427 )

    1968-1969  OLDSMOBILE F85

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970  PONTIAC EXECUTIVE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972  PONTIAC CATALINA

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970-1971  BUICK ELECTRA

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 225
    • Engine Vin: -
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1970  PONTIAC FIREBIRD

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: TRANS AM
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1967  OLDSMOBILE DELMONT 88

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HOLIDAY
    • Engine Vin: -
    • CUI: 425
    • EngineType: V8 ( 7 L / 425 )

    1971  OLDSMOBILE DELTA 88

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1965  CHEVROLET IMPALA

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 409
    • EngineType: V8 ( 6.7 L / 409 )

    1971  PONTIAC LEMANS

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: T37
    • Engine Vin: -
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1972  CHEVROLET CHEVELLE

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CONCOURS ESTATE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968-1969  OLDSMOBILE VISTA CRUISER

    • Fitment_Note: For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    Items You Need

    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.