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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" $100.99
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
    Aftermarket Carrier Style
    Mini spool
    Axle Shaft Spline Quantity
    28
    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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    1973 PONTIAC LEMANS

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

    1971 CHEVROLET TOWNSMAN

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

    1972 CHEVROLET BROOKWOOD

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

    1972-1973 CHEVROLET IMPALA

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

    1973-1974 BUICK CENTURY

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

    1971 PONTIAC CATALINA

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

    1975-1976 OLDSMOBILE CUTLASS SUPREME

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

    1971 CHEVROLET CHEVELLE

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

    1986 FORD F-350

    • EngineType: ALL
    • SubModel: XLT LARIAT

    2015 RAM 2500

    • EngineType: ALL
    • SubModel: LARAMIE LONGHORN

    1981-1982 OLDSMOBILE DELTA 88

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

    1981-1982 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: CLASSIC ESTATE

    1976 GMC K25 SUBURBAN

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

    1971-1972 CHEVROLET KINGSWOOD

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

    1985 CHEVROLET C20 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM

    1980 CHEVROLET K20 PICKUP

    • Liter: 6.6
    • Aspiration: N
    • SubModel: CUSTOM DELUXE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1985-1986 GMC K2500 SUBURBAN

    • EngineType: ALL
    • SubModel: SIERRA CLASSIC

    1978-1979 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1973 CHEVROLET CAPRICE

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

    1974 OLDSMOBILE DELTA 88

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

    1980 PONTIAC FIREBIRD

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

    1981 PONTIAC FIREBIRD

    • Liter: 4.9
    • SubModel: TRANS AM
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    1972 BUICK SKYLARK

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

    1973 OLDSMOBILE 98

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

    1980 CHEVROLET K20 PICKUP

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

    1977 OLDSMOBILE CUTLASS

    • Liter: 4.3
    • SubModel: COLONNADE
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1975 CHEVROLET NOVA

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

    1977 PONTIAC VENTURA

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

    1990-1995 GMC G25/G2500 VAN

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

    1977 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • SubModel: 442
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1986 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1994 GMC K2500 SUBURBAN (CANADIAN)

    • EngineType: ALL
    • SubModel: ALL

    1974 BUICK CENTURY

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

    1980 GMC C1500 PICKUP

    • EngineType: ALL
    • SubModel: HEAVY HALF

    2015 FORD F-150

    • CC: 3496
    • Liter: 3.5
    • SubModel: XLT
    • CUI: 213
    • EngineType: V6 ( 3.5 L / 213 )

    1975 PONTIAC FIREBIRD

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

    1977-1978 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: CHEYENNE

    1972 PONTIAC CATALINA

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

    1975 CHEVROLET EL CAMINO

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

    1970-1972 CHEVROLET CHEVELLE

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

    1972 CHEVROLET CHEVELLE

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

    1971 CHEVROLET IMPALA

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

    1985 PONTIAC PARISIENNE

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

    1980 CHEVROLET K20 SUBURBAN

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

    1975-1976 CHEVROLET IMPALA

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

    1980 CHEVROLET K20 PICKUP

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

    1980 CHEVROLET K20 PICKUP

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

    1975 CHEVROLET EL CAMINO

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

    1975-1978 PONTIAC GRAND SAFARI

    • EngineType: ALL
    • SubModel: ALL

    1974 CHEVROLET NOVA

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

    1981 PONTIAC FIREBIRD

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

    1980 CHEVROLET K10 PICKUP

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

    1975 OLDSMOBILE CUTLASS SUPREME

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

    2015 RAM 2500

    • EngineType: ALL
    • SubModel: TRADESMAN

    1994 GMC K2500 PICKUP

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

    1973 CHEVROLET EL CAMINO

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

    1974 PONTIAC VENTURA

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

    1977-1978 GMC K15 SUBURBAN

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

    1977 PONTIAC LEMANS

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

    1973-1974 CHEVROLET NOVA

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

    1981 CHEVROLET C20 SUBURBAN

    • EngineType: ALL
    • SubModel: DELUXE

    1977-1978 GMC K1500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1972-1973 CHEVROLET CAMARO

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

    1975-1981 OLDSMOBILE 98

    • EngineType: ALL
    • SubModel: LUXURY

    1990-1993 CHEVROLET G20 VAN

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

    1978-1979 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: CHEVY VAN

    1983-1985 FORD F-350

    • EngineType: ALL
    • SubModel: ALL

    1994 CHEVROLET C1500 PICKUP

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

    2015 RAM 2500

    • EngineType: ALL
    • SubModel: R/T

    1972 BUICK LESABRE

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

    1972 CHEVROLET CHEVELLE

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

    1983-1985 OLDSMOBILE DELTA 88

    • EngineType: ALL
    • SubModel: ALL

    1980 CHEVROLET K20 PICKUP

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

    1973 CHEVROLET EL CAMINO

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

    1998 GMC C3500 PICKUP

    • Liter: 6.5
    • SubModel: SIERRA SLT
    • CUI: 395
    • EngineType: V8 ( 6.5 L / 395 )

    1972 CHEVROLET CHEVELLE

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

    1970-1971 OLDSMOBILE F85

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

    1975 CHEVROLET NOVA

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

    1971 CHEVROLET G20 VAN

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

    1977 BUICK SKYLARK

    • EngineType: ALL
    • SubModel: ALL

    1972 BUICK SKYLARK

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

    1979 CHEVROLET K10 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1980-1981 FORD F-350

    • EngineType: ALL
    • SubModel: RANGER LARIAT

    1972-1973 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: SPORTVAN

    1972 CHEVROLET CAPRICE

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

    1974 PONTIAC LEMANS

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

    1972-1974 PONTIAC BONNEVILLE

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

    1980 CHEVROLET K10 PICKUP

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

    1974 PONTIAC FIREBIRD

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

    1985-1986 GMC C2500 SUBURBAN

    • EngineType: ALL
    • SubModel: SIERRA CLASSIC

    1980-1984 GMC C2500 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1972 BUICK SKYLARK

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

    1977 OLDSMOBILE OMEGA

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

    1970-1971 CHEVROLET CHEVELLE

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

    1971-1972 CHEVROLET CHEVELLE

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

    1980 GMC K1500 SUBURBAN

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

    1976 CHEVROLET G10 VAN

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

    1991-1993 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: CLASSIC LTZ

    1981 BUICK ELECTRA

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

    1992-1996 GMC C2500 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL
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