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Richmond Gear 49-0278-1

GM Ring & Pinion Gear Set Ratio: 3.42

836-49-0278-1

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Richmond Gear 49-0278-1 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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    1987-1988 CHEVROLET CAPRICE

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

    1975 CHEVROLET BEL AIR

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

    1974 CHEVROLET EL CAMINO

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

    1971 CHEVROLET NOVA

    • CC: 7439
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973 CHEVROLET CAMARO

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

    2000-2004 GMC YUKON XL 1500

    • EngineType: ALL
    • SubModel: SLT

    1974 BUICK LESABRE

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

    1971 CHEVROLET BROOKWOOD

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

    1974 OLDSMOBILE CUTLASS

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

    1972-1974 OLDSMOBILE VISTA CRUISER

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

    1977 OLDSMOBILE OMEGA

    • Liter: 3.8
    • SubModel: DELUXE
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1982 CHEVROLET CAPRICE

    • Liter: 4.4
    • SubModel: CLASSIC
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1975-1976 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: CLASSIC SPORT

    1973 PONTIAC VENTURA

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

    1974 OLDSMOBILE 98

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

    1975 CHEVROLET NOVA

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 262
    • EngineType: V8 ( 4.3 L / 262 )

    1975 OLDSMOBILE DELTA 88

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

    1977 PONTIAC LEMANS

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

    1984 CHEVROLET IMPALA

    • EngineType: ALL
    • SubModel: ALL

    1974 PONTIAC FIREBIRD

    • CC: 6555
    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973-1974 CHEVROLET CAPRICE

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

    1971 PONTIAC FIREBIRD

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

    1974 OLDSMOBILE CUTLASS SUPREME

    • CC: 7456
    • Liter: 7.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: R
    • 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 )

    1973 PONTIAC LEMANS

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

    1973 BUICK CENTURY

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

    1979-1980 GMC K1500 SUBURBAN

    • EngineType: ALL
    • SubModel: SIERRA GRANDE

    1973 CHEVROLET CAPRICE

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

    1984 CHEVROLET K10 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1998-2001 GMC S15 JIMMY

    • EngineType: ALL
    • SubModel: SLT

    1975-1976 CHEVROLET CAPRICE

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

    1985 CHEVROLET CAPRICE

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

    1974 CHEVROLET K30 PICKUP

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

    1973 CHEVROLET CAPRICE

    • CC: 6556
    • Liter: 6.6
    • Aspiration: N
    • SubModel: CLASSIC
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970 OLDSMOBILE CUTLASS

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

    1972 CHEVROLET BROOKWOOD

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

    1990-1995 GMC G25/G2500 VAN

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

    1981 BUICK ELECTRA

    • Liter: 4.1
    • SubModel: PARK AVENUE
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1985 GMC C1500 PICKUP

    • EngineType: ALL
    • SubModel: HIGH SIERRA

    1987-1989 GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: ALL

    1970-1971 OLDSMOBILE VISTA CRUISER

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

    2003 CHEVROLET SILVERADO 1500

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

    1977 BUICK ELECTRA

    • EngineType: ALL
    • SubModel: LIMITED

    1972 CHEVROLET CAPRICE

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

    1976 CHEVROLET IMPALA

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

    1974 PONTIAC GRAND PRIX

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

    1973-1974 CHEVROLET MALIBU

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

    1975-1977 CHEVROLET EL CAMINO

    • EngineType: ALL
    • SubModel: ALL

    1977 PONTIAC LEMANS

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

    2011 CHEVROLET COLORADO

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

    1985-1988 CHEVROLET CAPRICE

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

    2002-2003 CHEVROLET S10 PICKUP

    • Liter: 4.3
    • SubModel: ZR5
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    2004 CHEVROLET S10 PICKUP

    • EngineType: ALL
    • SubModel: ZR5

    1979-1983 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: SPORTVAN

    2002 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: WT

    1981-1983 CHEVROLET IMPALA

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

    1975 CHEVROLET NOVA

    • CC: 4097
    • Liter: 4.1
    • SubModel: CUSTOM
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1983 PONTIAC PARISIENNE

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

    1973 CHEVROLET EL CAMINO

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

    1972 CHEVROLET CAPRICE

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

    1973 PONTIAC LEMANS

    • CC: 6555
    • Liter: 6.6
    • Aspiration: N
    • SubModel: SPORT
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1985 PONTIAC PARISIENNE

    • Liter: 3.8
    • SubModel: BASE
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1972 CHEVROLET BROOKWOOD

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

    1980 PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: FORMULA

    1975 OLDSMOBILE CUTLASS

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

    1973 CHEVROLET EL CAMINO

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

    1980-1981 OLDSMOBILE CUTLASS SUPREME

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

    1982 CHEVROLET G10 VAN

    • CC: 4097
    • Liter: 4.1
    • SubModel: BONAVENTURE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1981-1986 GMC K2500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1979-1980 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: SILVERADO

    1976 BUICK SKYLARK

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

    1982-1987 OLDSMOBILE CUTLASS SUPREME

    • EngineType: ALL
    • SubModel: ALL

    1973 CHEVROLET NOVA

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

    2008-2009 CADILLAC ESCALADE ESV

    • EngineType: ALL
    • SubModel: PLATINUM

    1971-1973 OLDSMOBILE CUTLASS SUPREME

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

    2007-2008 CHEVROLET TRAILBLAZER

    • EngineType: ALL
    • SubModel: LT

    1988 GMC C1500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1972 PONTIAC CATALINA

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

    1972 PONTIAC BONNEVILLE

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

    1990-1993 GMC G25/G2500 VAN

    • Liter: 6.2
    • SubModel: RALLY
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1971 OLDSMOBILE F85

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

    1980-1981 PONTIAC CATALINA

    • Liter: 4.4
    • SubModel: BASE
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1977-1981 PONTIAC CATALINA

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

    2002-2004 GMC S15 JIMMY

    • EngineType: ALL
    • SubModel: ALL

    1974 PONTIAC LEMANS

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

    1975 PONTIAC FIREBIRD

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

    1986 CHEVROLET BLAZER K5

    • EngineType: ALL
    • SubModel: CUSTOM

    1974 BUICK LESABRE

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

    1973-1974 CHEVROLET MALIBU

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

    1971-1974 CHEVROLET IMPALA

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

    1984 GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: RALLY STX

    1973 CHEVROLET EL CAMINO

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

    1979-1981 GMC C1500 PICKUP

    • EngineType: ALL
    • SubModel: HIGH SIERRA

    1976 CHEVROLET MALIBU

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1980-1981 OLDSMOBILE CUTLASS SUPREME

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

    1970 CHEVROLET CAMARO

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

    1979-1980 GMC K2500 PICKUP

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

    1977-1978 GMC K15 SUBURBAN

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

    1976 BUICK SKYLARK

    • Liter: 3.8
    • SubModel: BASE
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979 GMC G15/G1500 VAN

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