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Richmond Gear 78-1028-1

Mini Spool GM 8.5"

Richmond Gear 78-1028-1

836-78-1028-1

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Richmond Gear 78-1028-1 Mini Spool GM 8.5" $96.99
Mini Spool
  • GM 8.5"
  • 10 Bolt
  • 28 Spline

  • Richmond Gear 78-1028-1 Details

    Mini Spools

  • GM

  • CAD/CAM Designed For Low Weight And High Strength
  • CNC Machined 4140 Stainless Steel
  • Heat Treated To Aircraft Specifications
  • Minimum Run Out Allows Optimum Performance/Life
  • Race Proven On Strip And Track

  • Specifications:

    Position
    Front
    Axle Type
    GM 8.5 in.
    Spline Count
    28
    Differential Case Design Type
    GM 8.5/8.625
    Axle Shaft Spline Quantity
    28
    Aftermarket Carrier Style
    Mini spool
    C-Clip Eliminator Kit Required
    No
    Cover Bolts
    10
    Quantity
    Sold individually
    Spool Material
    Steel
    Manufacturer's Part Number:
    78-1028-1

    An Affordable Way to Increase a Vehicle's Rear-End Strength

    Replace the internal components of your differential with one of these Mini Spools from Richmond Gear, who have been supplying racers for more than 80 years. Richmond Mini Spools lock your axles together for even power distribution to both driven wheels. They're CAD/CAM designed, CNC machined from 4140 alloy-steel forgings, and heat treated to aircraft standards. For track use only.

    Note:
  • Richmond Mini Spools are designed to work with open carriers only.

  • Does Richmond Gear 78-1028-1 fit your vehicle?

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    1975-1976 CHEVROLET NOVA

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

    1998 GMC C3500 PICKUP

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

    1974 PONTIAC VENTURA

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

    1975 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: BASE

    1974 PONTIAC GRANDVILLE

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

    2015-2016 RAM 2500

    • EngineType: ALL
    • SubModel: BIG HORN

    1982 CHEVROLET C20 SUBURBAN

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

    1974 PONTIAC FIREBIRD

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

    1984 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1983-1984 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1975-1976 GMC K15 SUBURBAN

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

    1972 PONTIAC LEMANS

    • CC: 6556
    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: S
    • 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 )

    1973 PONTIAC GRAND PRIX

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

    2015 RAM 2500

    • CC: 6424
    • Liter: 6.4
    • SubModel: POWER WAGON
    • CUI: 392
    • EngineType: V8 ( 6.4 L / 392 )

    1974 BUICK CENTURY

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

    2015 FORD F-150

    • CC: 4951
    • Liter: 5.0
    • SubModel: LARIAT
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1972 CHEVROLET G10 VAN

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

    1972 CHEVROLET CHEVELLE

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

    1974 OLDSMOBILE DELTA 88

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

    1977 OLDSMOBILE CUTLASS

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

    1985-1986 FORD F-350

    • EngineType: ALL
    • SubModel: XLT LARIAT

    1985-1986 GMC C2500 SUBURBAN

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

    2006-2008 TOYOTA RAV4

    • CC: 2362
    • Liter: 2.4
    • SubModel: BASE
    • EngineType: L4 ( 2.4 L / 2362 CC )

    1983-1989 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: ALL

    1975-1978 PONTIAC GRAND SAFARI

    • EngineType: ALL
    • SubModel: ALL

    1974 OLDSMOBILE CUTLASS

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

    1987 GMC V1500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1972 CHEVROLET IMPALA

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

    1973 CHEVROLET CAMARO

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

    1974 BUICK LESABRE

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

    1972 CHEVROLET CAMARO

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: Z28
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2015 RAM 2500

    • Liter: 5.7
    • Aspiration: N
    • SubModel: SLT
    • Engine Vin: T
    • CUI: 345
    • EngineType: V8 ( 5.7 L / 345 )

    1980 CHEVROLET K20 PICKUP

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

    1976 CHEVROLET G10 VAN

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

    1974 OLDSMOBILE 98

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

    1980-1981 GMC C1500 PICKUP

    • EngineType: ALL
    • SubModel: SIERRA CLASSIC

    1977-1978 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    2015-2016 RAM 2500

    • Liter: 5.7
    • Aspiration: N
    • SubModel: LARAMIE
    • Engine Vin: T
    • CUI: 345
    • EngineType: V8 ( 5.7 L / 345 )

    1976 CHEVROLET G20 VAN

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

    1974 CHEVROLET EL CAMINO

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

    2015-2016 RAM 2500

    • Liter: 6.7
    • SubModel: SLT
    • CUI: 408
    • EngineType: L6 ( 6.7 L / 408 )

    1972 CHEVROLET CHEVELLE

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

    1972 PONTIAC CATALINA

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

    1980 GMC K1500 SUBURBAN

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

    1979 GMC K2500 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1990-1993 CHEVROLET G10 VAN

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

    1975 CHEVROLET NOVA

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

    1977-1978 GMC K25 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1982 CHEVROLET CAPRICE

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

    1980 CHEVROLET K10 PICKUP

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

    1986-1988 CHEVROLET CAPRICE

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

    1985 GMC C1500 PICKUP

    • Liter: 6.2
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1982 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: SILVERADO

    1976 OLDSMOBILE CUTLASS

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

    1972 CHEVROLET CHEVELLE

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

    1974 CHEVROLET CAPRICE

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

    1973 GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: VANDURA

    1976 CHEVROLET IMPALA

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

    1981 CHEVROLET C10 PICKUP

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

    1972-1974 PONTIAC BONNEVILLE

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

    1974 CHEVROLET IMPALA

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

    1985 CHEVROLET IMPALA

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

    1972-1973 PONTIAC FIREBIRD

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

    1972 CHEVROLET IMPALA

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

    1995-1997 CHEVROLET C1500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1977-1978 GMC K15 SUBURBAN

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

    1987-1988 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: CLASSIC LS BROUGHAM

    1972-1974 PONTIAC VENTURA

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

    1975 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: BEAUVILLE

    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 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28

    1977-1981 BUICK ESTATE WAGON

    • EngineType: ALL
    • SubModel: ALL

    1974 PONTIAC CATALINA

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

    1980-1981 PONTIAC CATALINA

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

    1972 PONTIAC CATALINA

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

    1987-1988 CHEVROLET CAPRICE

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

    1974 OLDSMOBILE CUTLASS SUPREME

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

    1985 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: SILVERADO

    1970 CHEVROLET CHEVELLE

    • CC: 6556
    • Liter: 6.6
    • SubModel: NOMAD
    • 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 )

    1974 PONTIAC GRAND PRIX

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

    1975 CHEVROLET EL CAMINO

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

    1973 PONTIAC LEMANS

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

    1974 OLDSMOBILE CUTLASS SUPREME

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

    1971 OLDSMOBILE DELTA 88

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

    1979-1980 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: CLASSIC SPORT

    1980 PONTIAC FIREBIRD

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

    1990-1994 GMC G15/G1500 VAN

    • EngineType: ALL
    • SubModel: RALLY STX

    1975 CHEVROLET EL CAMINO

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

    1982 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1981-1982 OLDSMOBILE DELTA 88

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

    1976 PONTIAC VENTURA

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

    1974 CHEVROLET BEL AIR

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

    1972 BUICK SKYLARK

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

    1980 GMC K1500 SUBURBAN

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

    1985 CHEVROLET K10 SUBURBAN

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1998 CHEVROLET C1500 PICKUP

    • EngineType: ALL
    • SubModel: WT

    1974 BUICK CENTURY

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

    1988 GMC C1500 PICKUP

    • EngineType: ALL
    • SubModel: ALL
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