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Richmond Gear GM Ring & Pinion Gear Set Ratio: 3.42

Richmond Gear 49-0278-1

836-49-0278-1

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Richmond Gear GM Ring & Pinion Gear Set Ratio: 3.42 $232.75
GM Ring & Pinion Gear Set
  • Ratio: 3.42
  • Teeth: 41-12

  • Richmond Gear 49-0278-1 Details

    GM 8.5"

  • Fits 2.73 and Higher Carrier
  • Pinion Diameter: 1.626"
  • 30 Spline

  • Front: Use Installation Kit #836-83-1020-1
  • Rear: Use Installation Kit #836-83-1021-1
  • 1973-87 Truck: Use Installation Kit #836-83-1021-M or #836-83-1021-TE
  • Does not work with pinion-mounted ABS sensor in 1990-96 Impala/Impala SS/Caprice
  • When replacing a stock 2.56 or lower ratio, the carrier must be replaced with a 2.73 or higher carrier

  • Specifications:

    Gear Ratio
    3.42
    Axle Type
    GM 8.5 in.
    Differential Case Design Type
    GM 8.5
    Ring Gear Tooth Quantity
    41
    Cover Bolt Quantity
    10
    Differential Case Design Type
    GM 8.625
    Ring Gear Diameter
    8.5
    Ring Gear Bolt Quantity
    10
    Pinion Shaft Diameter
    1.626
    Pinion Spline Count
    30
    Ring Gear Rotation
    Standard
    Pinion Gear Tooth Quantity
    12
    Ring Gear Material
    8620 Steel
    Differential Carrier Break
    2.76 and Higher
    Carrier Series
    3
    Cover Bolts
    10
    Installation Kit Included
    No
    Pinion Gear Teeth
    12
    Pinion Shaft Diameter (in.)
    1.626
    Pinion Spline Count
    30
    Quantity
    Sold as a set
    Ring and Pinion Ratio
    3.42:1
    Ring Gear Bolts
    10
    Ring Gear Diameter (in.)
    8.5
    Ring Gear Rotation
    Standard
    Ring Gear Teeth
    41
    Manufacturer's Part Number:
    49-0278-1

    Richmond Gear is the leading manufacturer of professional quality, high performance ring and pinion sets. The superior quality of these gear sets is the result of years of racing development, outstanding design, and state-of-the-art manufacturing methods. 10 bolt street gears are designed to withstand the rigors of everyday driving, as well as a weekend at the track. Gears available for nearly all popular domestic applications.

    Choose The Gear Ratio That Is Best For Your Vehicle

    Does Richmond Gear 49-0278-1 fit your vehicle?

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    2008 CHEVROLET TRAILBLAZER

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

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    • EngineType: ALL
    • SubModel: CUSTOM

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    • SubModel: BEAUVILLE

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    • SubModel: SCOTTSDALE

    1976 PONTIAC VENTURA

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

    1975-1976 OLDSMOBILE CUTLASS SUPREME

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

    1972 CHEVROLET CAPRICE

    • CC: 7441
    • Liter: 7.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: V
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

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    1984 BUICK LESABRE

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    • SubModel: ALL

    1973 CHEVROLET CAPRICE

    • CC: 5031
    • Liter: 5.0
    • SubModel: ESTATE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1970 OLDSMOBILE CUTLASS SUPREME

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

    1973 CHEVROLET MALIBU

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

    1981 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: SPORT

    1976 BUICK SKYLARK

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

    1979-1980 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1972 BUICK SKYLARK

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974 CHEVROLET NOVA

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

    2015 GMC YUKON XL

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

    1974 OLDSMOBILE CUTLASS

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

    1983-1986 CHEVROLET S10 BLAZER

    • EngineType: ALL
    • SubModel: SPORT

    1979-1981 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: CHEYENNE

    1976 OLDSMOBILE CUTLASS

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

    1979-1980 CHEVROLET BLAZER K5

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1972 CHEVROLET CAMARO

    • CC: 6588
    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1974 OLDSMOBILE CUTLASS SUPREME

    • CC: 7456
    • Liter: 7.5
    • Aspiration: N
    • SubModel: CRUISER
    • Engine Vin: T
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1977-1978 GMC K15 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1974 PONTIAC LEMANS

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

    1974 OLDSMOBILE DELTA 88

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

    1975 OLDSMOBILE DELTA 88

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

    1983-1984 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1981 PONTIAC FIREBIRD

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

    1975 PONTIAC FIREBIRD

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

    1970 BUICK SKYLARK

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1989-1995 GMC C1500 PICKUP

    • EngineType: ALL
    • SubModel: SIERRA SLE

    2004 GMC CANYON

    • EngineType: ALL
    • SubModel: SLE

    2009 CHEVROLET SUBURBAN 1500

    • EngineType: ALL
    • SubModel: BASE

    1970 CHEVROLET CAPRICE

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1970 CHEVROLET BEL AIR

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1971 PONTIAC FIREBIRD

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

    1974 CHEVROLET CAMARO

    • CC: 5736
    • Liter: 5.7
    • SubModel: LT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2003-2005 CHEVROLET TRAILBLAZER

    • EngineType: ALL
    • SubModel: EXT

    1976 PONTIAC VENTURA

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

    1976 CHEVROLET CAMARO

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

    1973-1974 CHEVROLET MALIBU

    • CC: 7441
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1971-1974 PONTIAC FIREBIRD

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

    1985 PONTIAC PARISIENNE

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

    1983-1986 GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: RALLY

    2004 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: Z71

    1971 PONTIAC VENTURA

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

    1980 CHEVROLET IMPALA

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

    1975 CHEVROLET CAPRICE

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

    1981 CHEVROLET C10 PICKUP

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

    1981 CHEVROLET C10 PICKUP

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

    1972-1973 PONTIAC LEMANS

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

    2004 GMC CANYON

    • EngineType: ALL
    • SubModel: Z71 SLE

    2005 CHEVROLET SILVERADO 1500 HD

    • EngineType: ALL
    • SubModel: LS

    1971 PONTIAC CATALINA

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

    2009-2010 HUMMER H3T

    • EngineType: ALL
    • SubModel: ALL

    1999 CHEVROLET C1500 SUBURBAN

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

    2004 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: WT

    1972-1973 CHEVROLET CAMARO

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1972-1973 CHEVROLET CAMARO

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1980 OLDSMOBILE CUTLASS SUPREME

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

    1973 PONTIAC GRAND AM

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

    1973 PONTIAC LEMANS

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

    1996-1998 CHEVROLET S10 PICKUP

    • Liter: 4.3
    • Aspiration: N
    • SubModel: SS
    • Engine Vin: W
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1974 BUICK CENTURY

    • CC: 7456
    • Liter: 7.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1974 CHEVROLET IMPALA

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

    1983-1986 GMC K1500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1979 CHEVROLET CAPRICE

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

    1987-1988 CHEVROLET CAPRICE

    • CC: 5031
    • Liter: 5.0
    • SubModel: CLASSIC BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1973 CHEVROLET EL CAMINO

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

    1983-1984 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM

    1973 CHEVROLET CAMARO

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

    1973-1974 CHEVROLET CAPRICE

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

    1989-1993 CHEVROLET C1500 PICKUP

    • EngineType: ALL
    • SubModel: CHEYENNE

    1974 PONTIAC LEMANS

    • CC: 7456
    • Liter: 7.5
    • Aspiration: N
    • SubModel: SPORT
    • Engine Vin: Y
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1981-1983 GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: ALL

    1972-1973 PONTIAC FIREBIRD

    • CC: 5733
    • Liter: 5.7
    • Aspiration: N
    • SubModel: TRANS AM
    • Engine Vin: N
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 PONTIAC GRANDVILLE

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

    1972 PONTIAC CATALINA

    • CC: 7456
    • Liter: 7.5
    • Aspiration: N
    • SubModel: BROUGHAM
    • Engine Vin: W
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1976-1977 PONTIAC VENTURA

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

    1974 OLDSMOBILE DELTA 88

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

    1973-1974 CHEVROLET MALIBU

    • CC: 7441
    • Liter: 7.4
    • SubModel: ESTATE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973 BUICK CENTURY

    • CC: 7456
    • Liter: 7.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    2000-2004 CHEVROLET SUBURBAN 1500

    • EngineType: ALL
    • SubModel: LS

    1973-1974 CHEVROLET NOVA

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

    1972-1974 PONTIAC GRANDVILLE

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

    2008-2009 CHEVROLET TAHOE

    • EngineType: ALL
    • SubModel: Z71

    1972 CHEVROLET BEL AIR

    • CC: 6588
    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1985 GMC C1500 PICKUP

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

    1981 OLDSMOBILE CUTLASS SUPREME

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

    1970 OLDSMOBILE CUTLASS SUPREME

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

    1970 CHEVROLET CAMARO

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    2010-2011 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: WT

    1974 CHEVROLET MALIBU

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

    2012-2013 GMC YUKON

    • EngineType: ALL
    • SubModel: HYBRID

    1969-1970 CHEVROLET CAPRICE

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1995-1997 GMC SONOMA

    • Liter: 4.3
    • SubModel: SL
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1994-2004 CHEVROLET S10 PICKUP

    • Liter: 4.3
    • SubModel: LS
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )
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