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Auburn Gear Ring and Pinion GM 8.5" 10 Bolt Front And Rear/GM 8.6" 10 Bolt Rear Style

109-342031


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Auburn Gear 342031
$149.99
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Ring and Pinion
  • GM 8.5" 10 Bolt Front And Rear/GM 8.6" 10 Bolt Rear Style
  • 3.42 Ratio
  • 41-12 Teeth
  • Free Shipping - Ships
    Save $10 off $150+, $20 off $250+, $40 off $500+, $100 off $1,000+ Orders. Promo Code: SANTA exclusions apply
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    1968-1970  OLDSMOBILE F85

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1984  CADILLAC FLEETWOOD

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BROUGHAM
    • Engine Vin: N
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  BUICK CENTURY

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: BASE
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1974  BUICK CENTURY

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LUXUS
    • Engine Vin: U
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    2007-2010  CHEVROLET AVALANCHE

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1984  CADILLAC FLEETWOOD

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: FORMAL
    • Engine Vin: 9
    • CUI: 368
    • EngineType: V8 ( 6 L / 368 )

    2004-2005  CHEVROLET COLORADO

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 3.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: Z85
    • Engine Vin: 6
    • CUI: 211
    • EngineType: L5 ( 3.5 L / 211 )

    1970  PONTIAC LEMANS

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: -
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1968-1971  OLDSMOBILE CUTLASS

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1986  CHEVROLET K10

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1974  PONTIAC FIREBIRD

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESPRIT
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1981  OLDSMOBILE CUTLASS

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BROUGHAM
    • Engine Vin: N
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  BUICK ESTATE WAGON

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1979-1982  GMC JIMMY

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: STREET COUPE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2007  GMC SIERRA 1500 CLASSIC

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SL
    • Engine Vin: B
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    2004-2005  GMC CANYON

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 3.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: Z85 SL
    • Engine Vin: 6
    • CUI: 211
    • EngineType: L5 ( 3.5 L / 211 )

    1976-1978  GMC K25

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: T
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1968-1971  PONTIAC LEMANS

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1991  CHEVROLET BLAZER

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1999-2000  GMC C2500

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA SL
    • Engine Vin: J
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1970  OLDSMOBILE F85

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970-1971  PONTIAC FIREBIRD

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1971  OLDSMOBILE DELTA 88

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ROYALE
    • Engine Vin: -
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1972-1974  PONTIAC PARISIENNE

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    2013  CHEVROLET SILVERADO 1500

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 4.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: WT
    • Engine Vin: X
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1974  PONTIAC FIREBIRD

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESPRIT
    • Engine Vin: N
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1981  OLDSMOBILE CUTLASS

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LS
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1974  BUICK LESABRE

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LUXUS
    • Engine Vin: T
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1964  OLDSMOBILE SUPER 88

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HOLIDAY
    • Engine Vin: -
    • CUI: 394
    • EngineType: V8 ( 6.5 L / 394 )

    1979-1986  GMC K2500

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2011-2012  GMC YUKON

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    1972-1974  PONTIAC LEMANS

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1982  GMC K1500 SUBURBAN

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1967  OLDSMOBILE F85

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    1973-1974  PONTIAC VENTURA

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1986  GMC K2500 SUBURBAN

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1984  PONTIAC GRAND PRIX

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LE
    • Engine Vin: N
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1978  GMC K25

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1964  OLDSMOBILE SUPER 88

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 394
    • EngineType: V8 ( 6.5 L / 394 )

    1968  OLDSMOBILE DELMONT 88

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  PONTIAC PARISIENNE

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1965-1966  PONTIAC CATALINA

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 389
    • EngineType: V8 ( 6.4 L / 389 )

    1988-1991  CHEVROLET K1500

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: C
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1999-2000  GMC C2500

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.5
    • Aspiration: TURBOCHARGED
    • SubModel: SIERRA SLE
    • Engine Vin: F
    • CUI: 395
    • EngineType: V8 ( 6.5 L / 395 )

    2016  GMC CANYON

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 2.8
    • Aspiration: TURBOCHARGED
    • SubModel: SLT
    • Engine Vin: 1
    • CUI: 171
    • EngineType: L4 ( 2.8 L / 171 )

    1968-1971  OLDSMOBILE 442

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1968  PONTIAC LEMANS

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2010-2014  GMC YUKON

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DENALI
    • Engine Vin: F
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    1970-1971  PONTIAC FIREBIRD

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1971  PONTIAC PARISIENNE

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980  GMC K1500

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: T
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    2013  CHEVROLET SUBURBAN 1500

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LT
    • Engine Vin: -
    • CUI: 364
    • EngineType: V8 ( 6 L / 364 )

    1981  BUICK CENTURY

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 4.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1967  OLDSMOBILE F85

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1974  BUICK LESABRE

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LUXUS
    • Engine Vin: P
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    2007  CHEVROLET EXPRESS 1500

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LT
    • Engine Vin: Z
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1972-1974  PONTIAC GRAND PRIX

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1964  PONTIAC LEMANS

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 3.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 215
    • EngineType: L6 ( 3.5 L / 215 )

    1972-1974  PONTIAC FIREBIRD

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: TRANS AM
    • Engine Vin: X
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1979  PONTIAC FIREBIRD

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 4.9
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESPRIT
    • Engine Vin: Y
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    2011-2013  CADILLAC ESCALADE EXT

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    1999  CHEVROLET K1500 SUBURBAN

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1974  PONTIAC PARISIENNE

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    2002-2005  GMC SIERRA 1500

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 4.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1967  PONTIAC CATALINA

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 2+2
    • Engine Vin: -
    • CUI: 428
    • EngineType: V8 ( 7 L / 428 )

    2006  GMC SIERRA 1500

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SL
    • Engine Vin: Z
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1977-1978  CHEVROLET K20

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1977  PONTIAC GRAND PRIX

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SJ
    • Engine Vin: K
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    1970-1971  PONTIAC FIREBIRD

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESPRIT
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1971  PONTIAC FIREBIRD

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: TRANS AM
    • Engine Vin: -
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1975-1977  BUICK REGAL

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1973-1975  PONTIAC GRAND AM

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    2002-2006  CHEVROLET TRAILBLAZER EXT

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 4.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LT
    • Engine Vin: S
    • CUI: 256
    • EngineType: L6 ( 4.2 L / 256 )

    1990  CHEVROLET V2500 SUBURBAN

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1971  OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1972  PONTIAC BONNEVILLE

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1965-1966  PONTIAC CATALINA

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.9
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: VENTURA
    • Engine Vin: -
    • CUI: 421
    • EngineType: V8 ( 6.9 L / 421 )

    1999-2003  GMC JIMMY

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 4.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SLS
    • Engine Vin: W
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1984  PONTIAC PARISIENNE

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BROUGHAM
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1976-1978  PONTIAC BONNEVILLE

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1964  PONTIAC LEMANS

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 3.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 215
    • EngineType: L6 ( 3.5 L / 215 )

    2015-2016  CHEVROLET TAHOE

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SSV
    • Engine Vin: C
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1972-1974  PONTIAC BONNEVILLE

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1968  OLDSMOBILE DELMONT 88

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1987  BUICK REGAL

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LIMITED
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1981-1986  CHEVROLET K20

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  PONTIAC CATALINA

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: U
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1972  OLDSMOBILE CUTLASS

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CRUISER
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1965-1966  PONTIAC CATALINA

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 389
    • EngineType: V8 ( 6.4 L / 389 )

    1988-1991  CHEVROLET K1500

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: C
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1979-1984  GMC K1500

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1971  PONTIAC CATALINA

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968-1969  PONTIAC LEMANS

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1972-1974  PONTIAC VENTURA

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969  PONTIAC LEMANS

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: -
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1970  PONTIAC LEMANS

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974  BUICK CENTURY

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LUXUS
    • Engine Vin: V
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    2010-2015  CHEVROLET CAMARO

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SS
    • Engine Vin: W
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    1970  OLDSMOBILE F85

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 7.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1970-1971  PONTIAC FIREBIRD

    • Fitment_Note: GM 8.5 in. GM 8.6 in. Rear; Teeth 41-11; Ratio 3.73
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    Items You Need

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    Motor Vehicles

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

    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.