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

Auburn Gear 342030
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109-342030

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Auburn Gear Ring and Pinion GM 8.5" 10 Bolt Front And Rear/GM 8.6" 10 Bolt Rear Style $178.99
Ring and Pinion
  • GM 8.5" 10 Bolt Front And Rear/GM 8.6" 10 Bolt Rear Style
  • 3.73 Ratio
  • 41-11 Teeth

  • Auburn Gear 342030 Details

    GM

    Specifications:
  • Ring Gear Diameter 8.5"
  • 10 7/16" X 20 RH Threaded Bolts
  • Pinion Diameter 1.626" 30 Splines
  • Case Ratio: 2.56:1 & Numerically Lower
  • Case Ratio: 2.73:1 & Numerically Higher
  • 8620 Material- Heat Treated

  • Specifications:

    Axle Type
    GM 8.5 in.
    Gear Ratio
    3.73
    Gear Ratio
    3.73
    Position
    Front Or Rear
    Manufacturer's Part Number:
    342030

    Auburn Gear Ring and Pinion Gears are backed by over 60 years of manufacturing and developing experience and are developed in a state-of-the-art facility. Increasing gear ratio helps create more force to each spin of the wheels. With various ratio sizes, Auburn Gear delivers the performance needs for your car, truck or SUV.

    JEGS Easy Kits are designed by JEGS Professionals to help you get all the performance parts you need.

    Does Auburn Gear 342030 fit your vehicle?

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    1970 OLDSMOBILE DELTA 88

    • CC: 5737
    • Liter: 5.7
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    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970 OLDSMOBILE DELTA 88

    • CC: 5737
    • Liter: 5.7
    • SubModel: ROYALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971 OLDSMOBILE CUTLASS

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    • Liter: 7.5
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    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

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    • Liter: 7.4
    • SubModel: SIERRA GRANDE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

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    • Liter: 5.4
    • SubModel: HOLIDAY
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    1979-1980 GMC K2500 PICKUP

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980-1981 OLDSMOBILE CUTLASS

    • CC: 3800
    • Liter: 3.8
    • SubModel: BROUGHAM
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

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    1968-1969 PONTIAC LEMANS

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    2013-2015 CHEVROLET CAMARO

    • CC: 3564
    • Liter: 3.6
    • SubModel: LT
    • CUI: 217
    • EngineType: V6 ( 3.6 L / 217 )

    1970 PONTIAC FIREBIRD

    • CC: 5733
    • Liter: 5.7
    • SubModel: FORMULA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972 BUICK SKYLARK

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    • SubModel: 350

    2001 GMC SIERRA 1500

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    2004-2005 CHEVROLET COLORADO

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    1987 CHEVROLET V10 PICKUP

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    1972 PONTIAC GRAND SAFARI

    • CC: 7457
    • Liter: 7.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1972-1974 PONTIAC GRAND PRIX

    • CC: 6556
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1968-1971 OLDSMOBILE F85

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1989-1991 GMC K2500 PICKUP

    • EngineType: ALL
    • SubModel: SIERRA SLE

    2002 CHEVROLET S10 PICKUP

    • CC: 2190
    • Liter: 2.2
    • SubModel: BASE
    • CUI: 134
    • EngineType: L4 ( 2.2 L / 134 )

    1977 OLDSMOBILE OMEGA

    • EngineType: ALL
    • SubModel: BASE

    2008 CHEVROLET TAHOE

    • Liter: 4.8
    • SubModel: LS
    • CUI: 294
    • EngineType: V8 ( 4.8 L / 294 )

    1973-1974 OLDSMOBILE OMEGA

    • EngineType: ALL
    • SubModel: ALL

    1979-1980 GMC K2500 SUBURBAN

    • EngineType: ALL
    • SubModel: SIERRA CLASSIC

    1980 OLDSMOBILE CUTLASS

    • Liter: 5.0
    • SubModel: LS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1974 PONTIAC BONNEVILLE

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2003 CHEVROLET AVALANCHE 1500

    • EngineType: ALL
    • SubModel: WBH

    1999 CHEVROLET C1500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971-1972 PONTIAC GRAND PRIX

    • CC: 7456
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    2001-2002 GMC SONOMA

    • CC: 2190
    • Liter: 2.2
    • SubModel: SL
    • CUI: 134
    • EngineType: L4 ( 2.2 L / 134 )

    2008-2009 CHEVROLET COLORADO

    • CC: 2921
    • Liter: 2.9
    • SubModel: WT
    • CUI: 178
    • EngineType: L4 ( 2.9 L / 178 )

    1973 PONTIAC LEMANS

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    2014-2015 CHEVROLET CAMARO

    • CC: 6162
    • Liter: 6.2
    • SubModel: ZL1
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    1970 PONTIAC FIREBIRD

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    • Liter: 5.7
    • SubModel: TRANS AM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

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    • EngineType: V8 ( 4.8 L / 294 )

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    • Liter: 4.3
    • SubModel: DELUXE
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    • Liter: 4.1
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    • EngineType: L6 ( 4.1 L / 250 )

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    • Liter: 2.2
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    • CUI: 134
    • EngineType: L4 ( 2.2 L / 134 )

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    • EngineType: L6 ( 4.1 L / 250 )

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    • EngineType: V8 ( 7.5 L / 455 )

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    • CC: 5737
    • Liter: 5.7
    • SubModel: BROUGHAM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976 GMC K15 SUBURBAN

    • Liter: 6.6
    • SubModel: HIGH SIERRA
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977 PONTIAC GRAND PRIX

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    1972 OLDSMOBILE F85

    • CC: 7456
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1979-1980 GMC K2500 SUBURBAN

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1976 GMC K15 SUBURBAN

    • Liter: 6.6
    • SubModel: SIERRA GRANDE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    2003 CHEVROLET S10 PICKUP

    • CC: 2190
    • Liter: 2.2
    • SubModel: BASE
    • CUI: 134
    • EngineType: L4 ( 2.2 L / 134 )

    2003 CHEVROLET SILVERADO 1500

    • CC: 5328
    • Liter: 5.3
    • SubModel: WT
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1976 OLDSMOBILE OMEGA

    • Liter: 4.1
    • SubModel: F85
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1975 OLDSMOBILE CUTLASS

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    2010-2011 CHEVROLET CAMARO

    • CC: 3564
    • Liter: 3.6
    • SubModel: LT
    • CUI: 217
    • EngineType: V6 ( 3.6 L / 217 )

    2006 CHEVROLET TAHOE

    • CC: 5328
    • Liter: 5.3
    • SubModel: LT
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1976 PONTIAC LEMANS

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    2008-2009 CADILLAC ESCALADE ESV

    • EngineType: ALL
    • SubModel: PLATINUM

    2013 CHEVROLET AVALANCHE

    • EngineType: ALL
    • SubModel: BLACK DIAMOND LS

    1976-1977 OLDSMOBILE OMEGA

    • Liter: 4.3
    • SubModel: F85
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1965 PONTIAC CATALINA

    • EngineType: ALL
    • SubModel: VENTURA

    1979-1980 GMC K2500 SUBURBAN

    • EngineType: ALL
    • SubModel: SIERRA GRANDE

    1976-1982 PONTIAC PARISIENNE

    • EngineType: ALL
    • SubModel: ALL

    1980-1981 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • SubModel: LS
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974 PONTIAC BONNEVILLE

    • CC: 7457
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    2015-2016 CADILLAC ESCALADE ESV

    • CC: 6162
    • Liter: 6.2
    • SubModel: PREMIUM
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    1979-1980 CHEVROLET BLAZER K5

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    2000-2004 GMC YUKON XL 2500

    • EngineType: ALL
    • SubModel: SLT

    2000-2001 CHEVROLET TAHOE

    • CC: 5328
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    2016 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: LT

    1979-1980 GMC K2500 SUBURBAN

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1978-1979 PONTIAC GRAND PRIX

    • Liter: 5.0
    • SubModel: LJ
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1972-1974 OLDSMOBILE CUTLASS

    • CC: 5737
    • Liter: 5.7
    • SubModel: S
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1981 PONTIAC FIREBIRD

    • Liter: 4.9
    • SubModel: BASE
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    2000 GMC YUKON

    • EngineType: ALL
    • SubModel: ALL

    2003-2005 CHEVROLET EXPRESS 1500

    • CC: 5328
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1979-1980 GMC K2500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2007-2012 CHEVROLET AVALANCHE

    • EngineType: ALL
    • SubModel: LTZ

    1977 OLDSMOBILE OMEGA

    • Liter: 5.0
    • SubModel: DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977 PONTIAC LEMANS

    • Liter: 4.9
    • SubModel: SAFARI
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    1980 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: SILVERADO

    1977 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • SubModel: COLONNADE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )
    Some parts are not legal for use in California or other states with similar laws / regulations