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Richmond Gear 12BC355

Excel Ring & Pinion Gear Set GM 8.75" 12 Bolt Car Ratio: 3.55

Richmond Gear 12BC355
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Product images may differ from actual product appearance.

836-12BC355

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Estimated ship date 06/29/17 if Ordered Today
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Richmond Gear 12BC355 Excel Ring & Pinion Gear Set GM 8.75" 12 Bolt Car Ratio: 3.55 $164.95
Excel Ring & Pinion Gear Set
GM 8.75" 12 Bolt Car
  • Ratio: 3.55
  • Teeth: 39-12
  • Series: 3

  • Richmond Gear 12BC355 Details

    8.875" GM Car "C" Axle

  • 3 Series Fits 3.07-3.73 Carrier. 4 Series Fits 3.90 and Higher Carrier.
  • 8.875" Diameter Ring Gear
  • 1.625" Pinion Diameter
  • 30 Spline Pinion
  • 12 Hole Oval Cover

    Applications:

  • 1964-72 Chevrolet
  • 1964-72 Chevy II
  • 1964-72 Chevelle
  • 1967-72 Camaro
  • 1965-72 El Camino
  • 1967-72 Firebird
  • 1970-72 Grand Prix
  • 1965-72 GTO, Lemans
  • 1970-72 Monte Carlo
  • 1970-72 Nova
  • 1968-70 Olds F85

  • Specifications:

    Gear Ratio
    3.55
    Axle Type
    GM 8.875 in.
    Position
    Rear
    Differential Case Design Type
    GM 8.875
    Ring Gear Tooth Quantity
    39
    Cover Bolt Quantity
    12
    Ring Gear Diameter
    8.875
    Ring Gear Bolt Quantity
    12
    Pinion Shaft Diameter
    1.625
    Pinion Spline Count
    30
    Ring Gear Rotation
    Standard
    Pinion Gear Tooth Quantity
    11
    Ring Gear Material
    8620 Steel
    Differential Carrier Break
    3.07 to 3.73
    Carrier Series
    3
    Cover Bolts
    12
    Installation Kit Included
    No
    Pinion Gear Teeth
    11
    Pinion Shaft Diameter (in.)
    1.625
    Pinion Spline Count
    30
    Quantity
    Sold as a set
    Ring and Pinion Ratio
    3.55:1
    Ring Gear Bolts
    12
    Ring Gear Diameter (in.)
    8.875
    Ring Gear Rotation
    Standard
    Ring Gear Teeth
    39
    Manufacturer's Part Number:
    12BC355

    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 12BC355 fit your vehicle?

    Narrow Results

    1968-1970 CHEVROLET CAMARO

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

    1970-1971 CHEVROLET MONTE CARLO

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

    1970-1971 CHEVROLET CHEVELLE

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

    1972 CHEVROLET CHEVELLE

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

    1970 CHEVROLET CAMARO

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

    1972 CHEVROLET CHEVELLE

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

    1971-1972 CHEVROLET CHEVELLE

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

    1970 PONTIAC FIREBIRD

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

    1972 CHEVROLET MONTE CARLO

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

    1970 CHEVROLET CHEVELLE

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

    1972 CHEVROLET CHEVELLE

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

    1969-1971 CHEVROLET CHEVELLE

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

    1969 CHEVROLET EL CAMINO

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

    1969 CHEVROLET CHEVELLE

    • EngineType: ALL
    • SubModel: SS

    1971-1972 GMC SPRINT

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

    1970 CHEVROLET CHEVELLE

    • CC: 6489
    • Liter: 6.5
    • SubModel: MALIBU
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968 OLDSMOBILE F85

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

    1966-1967 CHEVROLET EL CAMINO

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1965-1967 CHEVROLET MALIBU

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1968 CHEVROLET CAMARO

    • Liter: 5.4
    • SubModel: RS
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1972 CHEVROLET CHEVELLE

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

    1970 CHEVROLET CHEVELLE

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

    1968 CHEVROLET EL CAMINO

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

    1965-1966 CHEVROLET MALIBU

    • Liter: 3.2
    • SubModel: BASE
    • CUI: 194
    • EngineType: L6 ( 3.2 L / 194 )

    1968 OLDSMOBILE F85

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

    1971-1972 CHEVROLET CHEVELLE

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

    1970-1972 PONTIAC GTO

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

    1970 CHEVROLET NOVA

    • CC: 3769
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 230
    • EngineType: L6 ( 3.8 L / 230 )

    1967 CHEVROLET CHEVY II

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

    1967 CHEVROLET CHEVELLE

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1966-1967 CHEVROLET CAPRICE

    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1972 CHEVROLET CHEVELLE

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

    1969 CHEVROLET CHEVELLE

    • CC: 6489
    • Liter: 6.5
    • SubModel: CONCOURS ESTATE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1972 CHEVROLET EL CAMINO

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

    1969 CHEVROLET CAMARO

    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1967 CHEVROLET CHEVELLE

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

    1972 GMC SPRINT

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

    1969 CHEVROLET CHEVELLE

    • EngineType: ALL
    • SubModel: NOMAD

    1969 OLDSMOBILE F85

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

    1969 CHEVROLET EL CAMINO

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: DC
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1972 CHEVROLET MONTE CARLO

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

    1972 CHEVROLET MONTE CARLO

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

    1967 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: RS

    1967-1969 CHEVROLET CAMARO

    • CC: 5358
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1968-1969 CHEVROLET CAPRICE

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

    1971 CHEVROLET CHEVELLE

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

    1972 CHEVROLET CHEVELLE

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

    1972 CHEVROLET NOVA

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

    1972 CHEVROLET EL CAMINO

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

    1972 CHEVROLET CHEVELLE

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

    1968-1969 CHEVROLET CAMARO

    • Liter: 5.4
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1972 CHEVROLET CHEVELLE

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

    1970-1971 CHEVROLET MONTE CARLO

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

    1968 OLDSMOBILE F85

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

    1965 CHEVROLET CHEVELLE

    • CC: 4638
    • Liter: 4.6
    • SubModel: SS
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1970 CHEVROLET CAPRICE

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

    1968-1969 CHEVROLET EL CAMINO

    • CC: 5358
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1970-1971 CHEVROLET MONTE CARLO

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

    1972 GMC SPRINT

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

    1972 GMC SPRINT

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

    1970-1972 PONTIAC GTO

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

    1971-1972 GMC SPRINT

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

    1968 OLDSMOBILE F85

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

    1970-1972 CHEVROLET CHEVELLE

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

    1968-1969 CHEVROLET IMPALA

    • Liter: 5.4
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1967 CHEVROLET CHEVY II

    • CC: 5358
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1969-1972 CHEVROLET NOVA

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

    1969 CHEVROLET CHEVELLE

    • CC: 3769
    • Liter: 3.8
    • SubModel: CONCOURS
    • CUI: 230
    • EngineType: L6 ( 3.8 L / 230 )

    1972 CHEVROLET EL CAMINO

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

    1972 CHEVROLET CHEVELLE

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

    1970 CHEVROLET CAPRICE

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

    1969-1971 CHEVROLET CHEVELLE

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

    1970-1971 CHEVROLET CHEVELLE

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

    1970 CHEVROLET BEL AIR

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

    1967 CHEVROLET CHEVY II

    • CC: 2507
    • Liter: 2.5
    • SubModel: BASE
    • CUI: 153
    • EngineType: L4 ( 2.5 L / 153 )

    1965-1967 CHEVROLET IMPALA

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1968 CHEVROLET EL CAMINO

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

    1967 CHEVROLET CHEVY II

    • CC: 4638
    • Liter: 4.6
    • SubModel: NOVA SS
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1968 CHEVROLET CAMARO

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

    1972 PONTIAC GRAND PRIX

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

    1972 PONTIAC GRAND PRIX

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

    1966-1967 CHEVROLET CHEVELLE

    • CC: 4638
    • Liter: 4.6
    • SubModel: SS
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1967 CHEVROLET CHEVELLE

    • CC: 3769
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 230
    • EngineType: L6 ( 3.8 L / 230 )

    1968 CHEVROLET CHEVELLE

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

    1972 GMC SPRINT

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

    1968 CHEVROLET CHEVELLE

    • CC: 5358
    • Liter: 5.3
    • SubModel: NOMAD
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1970-1971 PONTIAC GRAND PRIX

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

    1972 CHEVROLET CHEVELLE

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

    1969 CHEVROLET EL CAMINO

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: U
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1972 CHEVROLET MONTE CARLO

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

    1970-1971 CHEVROLET NOVA

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

    1972 CHEVROLET CHEVELLE

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

    1968 CHEVROLET CAMARO

    • CC: 3769
    • Liter: 3.8
    • SubModel: RS
    • CUI: 230
    • EngineType: L6 ( 3.8 L / 230 )

    1967 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28

    1968-1969 CHEVROLET CHEVELLE

    • CC: 3769
    • Liter: 3.8
    • SubModel: 300 DELUXE
    • CUI: 230
    • EngineType: L6 ( 3.8 L / 230 )

    1972 CHEVROLET EL CAMINO

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

    1970 CHEVROLET IMPALA

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

    1969 CHEVROLET CAPRICE

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

    1966 CHEVROLET EL CAMINO

    • CC: 3180
    • Liter: 3.2
    • SubModel: BASE
    • CUI: 194
    • EngineType: L6 ( 3.2 L / 194 )

    1970 CHEVROLET CHEVELLE

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