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Richmond Gear 79-0064-1

Richmond Gear GM 12-Bolt Pro Gear Ring and Pinion Set Ratio: 4.88

836-79-0064-1

Free Shipping Ships

$339.72
Richmond Gear GM 12-Bolt Pro Gear Ring and Pinion Set Ratio: 4.88 $339.72
Out of stock
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GM 12-Bolt Pro Gear Ring and Pinion Set
  • Ratio: 4.88
  • Teeth: 39-8
  • Richmond Gear 79-0064-1 Details

    GM 12-Bolt


  • Designed For Drag Racing

  • Specifications:

    Axle Type
    GM 12 Bolt
    Cover Bolt Quantity
    12
    Pinion Gear Tooth Quantity
    8
    Pinion Spline Count
    30
    Ring Gear Bolt Quantity
    12
    Ring Gear Diameter
    8.875
    Ring Gear Material
    9310 Steel
    Ring Gear Tooth Quantity
    39
    Ring Gear Rotation
    Standard
    Pinion Shaft Diameter
    1.625
    Quantity
    Sold as a set
    Ring Gear Bolts
    12
    Pinion Shaft Diameter (in.)
    1.625
    Pinion Shaft Diameter (in.)
    1.625
    Pinion Gear Teeth
    8
    Ring Gear Teeth
    39
    Installation Kit Included
    No
    Ring and Pinion Ratio
    4.88:1
    Differential Carrier Break
    3.90 and Higher
    Cover Bolts
    12
    Carrier Series
    4
    Manufacturer's Part Number:
    79-0064-1
    Shipping Weight:
    15.11
    Package Height:
    15.2
    Package Depth:
    5.3
    Package Width:
    11.1

    Richmond's Pro Gear Ring and Pinion Sets are designed to resist breakage under harsh racing conditions. These race only gear sets are manufactured of professional quality, high performance materials and engineered for faster and more reliable performance.

    Does Richmond Gear 79-0064-1 fit your vehicle?

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    1972 PONTIAC GRAND SAFARI

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

    1965-1967 BUICK SPECIAL

    • EngineType: ALL
    • SubModel: ALL

    1972 CHEVROLET CHEVELLE

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

    1969 CHEVROLET CAMARO

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

    1965-1969 CHEVROLET IMPALA

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

    1969 CHEVROLET CHEVELLE

    • EngineType: ALL
    • SubModel: ALL

    1971-1972 PONTIAC FIREBIRD

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

    1972 PONTIAC GRANDVILLE

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

    1965 CHEVROLET BEL AIR

    • CC: 6704
    • Liter: 6.7
    • SubModel: BASE
    • CUI: 409
    • EngineType: V8 ( 6.7 L / 409 )

    1967 CHEVROLET CHEVY II

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

    1966-1970 PONTIAC PARISIENNE

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

    1968-1969 BUICK SPECIAL

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

    1968 CHEVROLET IMPALA

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

    1964 CHEVROLET CHEVELLE

    • EngineType: ALL
    • SubModel: SS

    1970 CHEVROLET CAMARO

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

    1971-1972 CHEVROLET IMPALA

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

    1965-1968 PONTIAC STRATO-CHIEF

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

    1966-1969 PONTIAC LAURENTIAN

    • CC: 6998
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1972 CHEVROLET EL CAMINO

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

    1970 CHEVROLET IMPALA

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

    1967-1968 CHEVROLET CHEVELLE

    • EngineType: ALL
    • SubModel: 300

    1971-1972 PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: ESPRIT

    1965 PONTIAC STRATO-CHIEF

    • CC: 6704
    • Liter: 6.7
    • SubModel: BASE
    • CUI: 409
    • EngineType: V8 ( 6.7 L / 409 )

    1968-1969 PONTIAC LEMANS

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

    1968-1969 CHEVROLET EL CAMINO

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

    1972 PONTIAC GRANDVILLE

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

    1970 CHEVROLET BEL AIR

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

    1972 BUICK SKYLARK

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

    1967 CHEVROLET CHEVY II

    • EngineType: ALL
    • SubModel: NOVA SS

    1965-1967 PONTIAC PARISIENNE

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

    1968-1970 OLDSMOBILE DELTA 88

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

    1971-1972 BUICK LESABRE

    • EngineType: ALL
    • SubModel: ALL

    1965-1967 PONTIAC PARISIENNE

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

    1972 CHEVROLET IMPALA

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

    1967 CHEVROLET CHEVY II

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

    1966-1967 CHEVROLET CHEVELLE

    • EngineType: ALL
    • SubModel: SS

    1969-1971 CHEVROLET CAPRICE

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

    1971 PONTIAC CATALINA

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

    1965-1968 PONTIAC PARISIENNE

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

    1971-1972 CHEVROLET IMPALA

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

    1967-1970 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: SS

    1970 CHEVROLET IMPALA

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

    1969-1970 PONTIAC STRATO-CHIEF

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

    1968 BUICK SPORTWAGON

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

    1971 CHEVROLET IMPALA

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

    1965 CHEVROLET MALIBU

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

    1972 CHEVROLET CHEVELLE

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

    1972 PONTIAC GRAND SAFARI

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

    1965 BUICK SPORTWAGON

    • CC: 4917
    • Liter: 4.9
    • SubModel: BASE
    • CUI: 300
    • EngineType: V8 ( 4.9 L / 300 )

    1969 PONTIAC LEMANS

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

    1968-1969 CHEVROLET EL CAMINO

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

    1966-1969 PONTIAC LAURENTIAN

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

    1972 CHEVROLET CAMARO

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

    1968-1971 PONTIAC ACADIAN

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

    1970-1972 CHEVROLET CHEVELLE

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

    1970 CHEVROLET CAMARO

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

    1969-1972 PONTIAC PARISIENNE

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

    1968-1970 OLDSMOBILE DELTA 88

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

    1972 CHEVROLET CAPRICE

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

    1970-1971 PONTIAC GTO

    • EngineType: ALL
    • SubModel: THE JUDGE

    1972 CHEVROLET EL CAMINO

    • EngineType: ALL
    • SubModel: BASE

    1970 OLDSMOBILE DELTA 88

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

    1971-1972 GMC SPRINT

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

    1970 PONTIAC PARISIENNE

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

    1972 PONTIAC CATALINA

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

    1968 PONTIAC ACADIAN

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

    1965-1967 OLDSMOBILE DELTA 88

    • CC: 6966
    • Liter: 7.0
    • SubModel: HOLIDAY
    • CUI: 425
    • EngineType: V8 ( 7.0 L / 425 )

    1971 PONTIAC GRAND SAFARI

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

    1971 CHEVROLET CHEVELLE

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

    1972 BUICK SKYLARK

    • EngineType: ALL
    • SubModel: 350

    1966-1967 CHEVROLET EL CAMINO

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

    1968-1970 PONTIAC PARISIENNE

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

    1968-1971 OLDSMOBILE VISTA CRUISER

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

    1966-1969 CHEVROLET IMPALA

    • CC: 6998
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1968-1969 CHEVROLET EL CAMINO

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

    1968-1969 CHEVROLET EL CAMINO

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

    1966-1967 CHEVROLET EL CAMINO

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

    1972 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28

    1971 OLDSMOBILE CUTLASS

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

    1972 OLDSMOBILE CUTLASS

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

    1967 CHEVROLET CHEVY II

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

    1969 CHEVROLET NOVA

    • EngineType: ALL
    • SubModel: ALL

    1968-1969 CHEVROLET EL CAMINO

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

    1966-1969 CHEVROLET CAPRICE

    • CC: 6998
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1972 PONTIAC CATALINA

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

    1970 PONTIAC LAURENTIAN

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

    1971-1972 OLDSMOBILE CUTLASS SUPREME

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

    1966-1969 PONTIAC PARISIENNE

    • CC: 6998
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1970 PONTIAC STRATO-CHIEF

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

    1972 CHEVROLET IMPALA

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

    1967-1972 PONTIAC GTO

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

    1967-1970 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28

    1972 CHEVROLET CHEVELLE

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

    1970-1972 CHEVROLET CHEVELLE

    • EngineType: ALL
    • SubModel: CONCOURS ESTATE

    1967-1969 CHEVROLET CAMARO

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

    1965 OLDSMOBILE JETSTAR I

    • CC: 6966
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 425
    • EngineType: V8 ( 7.0 L / 425 )

    1970 CHEVROLET MONTE CARLO

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

    1968-1969 PONTIAC STRATO-CHIEF

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

    1971-1972 CHEVROLET CHEVELLE

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

    1965-1967 CHEVROLET BEL AIR

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )
    79-0064-1 is rated 4.0 out of 5 by 1.
    Rated 4 out of 5 by from Professionally installed. Tech said he had trouble I've only used the gear for a short, "run in" period but found that it runs very quietly and seems very smooth. "Hard launches" are next and I hope it holds the torque I will be applying.
    Date published: 2017-08-09
    • y_2019, m_1, d_20, h_23
    • bvseo_bulk, prod_bvrr, vn_bulk_2.0.9
    • cp_1, bvpage1
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