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Richmond Gear GM85342

Excel Ring & Pinion Gear Set GM 8.5" & 8.625" 10 Bolt Ratio: 3.42

Richmond Gear GM85342
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836-GM85342

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Richmond Gear GM85342 Excel Ring & Pinion Gear Set GM 8.5" & 8.625" 10 Bolt Ratio: 3.42 $164.95
Excel Ring & Pinion Gear Set
GM 8.5" & 8.625" 10 Bolt
  • Ratio: 3.42
  • Teeth: 41-12

  • Richmond Gear GM85342 Details

    8.5 & 8.625" GM

  • Fits Carriers 2.73 and Higher
  • 8.50 & 8.625" Diameter Ring Gear
  • 1.626" Pinion Diameter
  • 30 Spline Pinion
  • 10 Hole Oval Cover

    Applications:

  • 1977-96 Buick Full Size
  • 1977-91 Blazer (K Series Front)
  • 1973-77 Apollo, Regal, Century
  • 1971-74 Biscayne
  • 1984-87 Grand National
  • 1971-75, 77-79 Skylark, GS
  • 1970-76 Chevelle
  • 1971-96 Chevy Full Size
  • 1970-79 Chevy II, Nova
  • 1971-81 Camaro, Firebird, TA
  • 1971-77 Cutlass
  • 1976-78 Electra
  • 1973-77 Gran Sport
  • 1970-81 GTO, Firebird
  • 1973-74 LeSabre
  • 1971-89 Olds Full Size
  • 1985-88 Olds, Hurst
  • 1971-89 Pontiac Full Size
  • 1985-88 Hurst Olds
  • 1973-75, 77-79 Omega
  • 1971-77 Grand Prix, Lemans
  • 1971-74, 96-96 Roadmaster
  • 1971-77 Ventura, Phoenix
  • 1972-81 Z28
  • 1970-76 Olds F65
  • 1980-02 C10, C15 (Rear)
  • 1980-02 K10, K15 (Rear)
  • 1977-87 K10, K20 (Front)
  • 1980-96 Suburban (Rear)
  • 1977-91 Suburban (Front)
  • 1973-76 El Camino
  • 1970-96 G10, G20 Van

  • Specifications:

    Gear Ratio
    3.42
    Axle Type
    GM 8.5 in.
    Position
    Front Or Rear
    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
    2.73 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:
    GM85342

    Richmond Gear Excel Ring and Pinion Sets are manufactured to tight tolerances. The gear design, tooling, steel selection, heat treat recipes and quality requirements are specified by Richmond. Designed to withstand the abuse of high performance and daily driving.

    Choose The Gear Ratio That Is Best For Your Vehicle
    .

    Does Richmond Gear GM85342 fit your vehicle?

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    Aspiration

    1972-1974 OLDSMOBILE DELTA 88

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

    1968-1969 CHEVROLET CAPRICE

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

    1978-1982 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: CHEVY VAN

    1972 CHEVROLET CAMARO

    • CC: 6588
    • Liter: 6.6
    • SubModel: Z28
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1973-1974 PONTIAC FIREBIRD

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

    1974 OLDSMOBILE DELTA 88

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

    1973-1974 CHEVROLET MALIBU

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

    1998 CHEVROLET K1500 PICKUP

    • EngineType: ALL
    • SubModel: SILVERADO

    1986-1988 CHEVROLET CAPRICE

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

    1990-1995 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: CHEVY VAN

    1972 PONTIAC CATALINA

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

    1990-1995 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: CHEVY VAN

    1973 PONTIAC LEMANS

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

    1994 CHEVROLET C1500 PICKUP

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

    1971 PONTIAC CATALINA

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

    1990-1995 GMC G15/G1500 VAN

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

    1984 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: ALL

    1974 PONTIAC GRAND AM

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

    1986 GMC K2500 SUBURBAN

    • EngineType: ALL
    • SubModel: HIGH SIERRA

    1972 OLDSMOBILE F85

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

    1971 PONTIAC CATALINA

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

    1973-1974 CHEVROLET MONTE CARLO

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

    1986 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: BONAVENTURE

    1983 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1973 CHEVROLET IMPALA

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

    1968 CHEVROLET CAPRICE

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

    1999-2005 CHEVROLET SILVERADO 1500

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

    1980 CHEVROLET IMPALA

    • EngineType: ALL
    • SubModel: BASE

    1972 PONTIAC CATALINA

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

    2014 CADILLAC ESCALADE

    • EngineType: ALL
    • SubModel: LUXURY

    1972 BUICK SKYLARK

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2010 GMC CANYON

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

    1994-1995 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: SPORTVAN

    1977 PONTIAC LEMANS

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

    1977-1979 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: ALL

    1972-1974 PONTIAC CATALINA

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

    1982 GMC G25/G2500 VAN

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

    1986-1988 CHEVROLET CAPRICE

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

    1974 PONTIAC GRAND AM

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

    1986 GMC K2500 SUBURBAN

    • EngineType: ALL
    • SubModel: SIERRA CLASSIC

    1977 OLDSMOBILE OMEGA

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

    1977-1979 PONTIAC CATALINA

    • EngineType: ALL
    • SubModel: SAFARI

    1976-1977 OLDSMOBILE OMEGA

    • EngineType: ALL
    • SubModel: SX

    1973-1974 CHEVROLET MONTE CARLO

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

    1972-1973 PONTIAC CATALINA

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

    1983 GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: VANDURA

    1995-1996 GMC K1500 PICKUP

    • EngineType: ALL
    • SubModel: SIERRA SL

    1983 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: BEAUVILLE

    1979-1980 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1974 CHEVROLET EL CAMINO

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

    1974 CHEVROLET IMPALA

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

    1979-1980 GMC K1500 SUBURBAN

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

    1970-1971 CHEVROLET CAPRICE

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

    1995-1996 GMC K1500 PICKUP

    • EngineType: ALL
    • SubModel: SIERRA SLT

    1985 PONTIAC PARISIENNE

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

    1977-1978 GMC K25 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    2014 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: HIGH COUNTRY

    1985 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM

    1973 CHEVROLET EL CAMINO

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

    1997-1999 CHEVROLET S10 PICKUP

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

    1977-1978 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1976 CHEVROLET IMPALA

    • EngineType: ALL
    • SubModel: BASE

    1972 PONTIAC CATALINA

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

    1973-1974 BUICK CENTURY

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

    1976-1979 CADILLAC SEVILLE

    • EngineType: ALL
    • SubModel: ALL

    1972 BUICK SKYLARK

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2002-2004 GMC ENVOY

    • EngineType: ALL
    • SubModel: SLE

    1973 CHEVROLET EL CAMINO

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: K
    • 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 )

    1990-1993 CHEVROLET G10 VAN

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

    1973-1974 PONTIAC LEMANS

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

    1980 PONTIAC FIREBIRD

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 265
    • EngineType: V8 ( 4.3 L / 265 )

    2004-2005 GMC ENVOY XUV

    • EngineType: ALL
    • SubModel: ALL

    1975 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: BASE

    1973 PONTIAC LEMANS

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

    1980-1981 PONTIAC FIREBIRD

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

    1986 GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: VANDURA

    1980 CHEVROLET C10 PICKUP

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

    1974 PONTIAC LEMANS

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

    1972-1973 PONTIAC FIREBIRD

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

    1970-1971 CHEVROLET CAPRICE

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

    1992-1995 BUICK ROADMASTER

    • EngineType: ALL
    • SubModel: BASE

    1972 PONTIAC GRAND PRIX

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

    2000 GMC S15 JIMMY

    • EngineType: ALL
    • SubModel: DIAMOND EDITION

    1985 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: SILVERADO

    1977 OLDSMOBILE OMEGA

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

    1980-1981 PONTIAC CATALINA

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

    1975-1981 PONTIAC BONNEVILLE

    • EngineType: ALL
    • SubModel: ALL

    1975 CHEVROLET MONTE CARLO

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

    1983 PONTIAC PARISIENNE

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

    1972 PONTIAC CATALINA

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

    1975-1976 GMC K15 SUBURBAN

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

    1974 CHEVROLET EL CAMINO

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

    1983 GMC K1500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1976 CHEVROLET NOVA

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

    1974 PONTIAC CATALINA

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

    1972-1973 CHEVROLET NOVA

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

    1990-1995 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: BEAUVILLE

    1972-1973 PONTIAC FIREBIRD

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

    1986 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM
    GM85342 - Richmond Gear Excel Ring & Pinion Sets is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from It a great set to rebuild my differential for my show truck
    Date published: 2015-06-26
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