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Richmond Gear 78-1028-1

Mini Spool GM 8.5"

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
    Axle Shaft Spline Quantity
    28
    Differential Case Design Type
    GM 8.625
    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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    1972 CHEVROLET TOWNSMAN

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

    1997-1998 DODGE CARAVAN

    • EngineType: ALL
    • SubModel: SE

    1971-1972 CHEVROLET BROOKWOOD

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

    1973-1974 PONTIAC LEMANS

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

    2015 FORD F-150

    • CC: 4952
    • Liter: 5.0
    • SubModel: XL
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1982-1983 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: SILVERADO

    1974 PONTIAC LEMANS

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

    1986 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1996 CHEVROLET EXPRESS 2500

    • EngineType: ALL
    • SubModel: LS

    1973 PONTIAC LEMANS

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

    1985-1986 FORD F-350

    • EngineType: ALL
    • SubModel: XLT LARIAT

    1977-1978 GMC K15 SUBURBAN

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

    1977-1978 CHEVROLET K10 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1973 PONTIAC LEMANS

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

    2015 RAM 2500

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

    1981-1982 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: CLASSIC ESTATE

    1980 CHEVROLET K20 PICKUP

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

    1975 CHEVROLET EL CAMINO

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

    1971 CHEVROLET G10 VAN

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

    1974 PONTIAC VENTURA

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

    1974 PONTIAC LEMANS

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

    1978-1980 BUICK ELECTRA

    • EngineType: ALL
    • SubModel: ALL

    1981-1985 DODGE W250 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1980 GMC C1500 PICKUP

    • EngineType: ALL
    • SubModel: HEAVY HALF

    1977-1978 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1986-1988 CHEVROLET CAPRICE

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

    1977-1978 GMC K15 SUBURBAN

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

    1998 CHEVROLET K1500 PICKUP

    • EngineType: ALL
    • SubModel: CHEYENNE

    1972 PONTIAC LEMANS

    • EngineType: ALL
    • SubModel: SPORT

    2015 RAM 3500

    • EngineType: ALL
    • SubModel: SLT

    1973 CHEVROLET CAPRICE

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

    1982-1983 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: SILVERADO

    1973 CHEVROLET EL CAMINO

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

    1972 PONTIAC BONNEVILLE

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

    1971 CHEVROLET G20 VAN

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

    1974 PONTIAC VENTURA

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

    1973 PONTIAC VENTURA

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

    1973 BUICK LESABRE

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

    1970-1972 CHEVROLET CHEVELLE

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

    1985 GMC C1500 PICKUP

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

    1985-1986 GMC C2500 SUBURBAN

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

    1981-1983 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1993-1994 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: CLASSIC LS

    1990-1993 GMC G25/G2500 VAN

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

    1986 CHEVROLET K10 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1977-1978 GMC K25 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1990-1994 CHEVROLET K1500 PICKUP

    • EngineType: ALL
    • SubModel: WT

    1974 PONTIAC LEMANS

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

    1972-1974 PONTIAC FIREBIRD

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

    1979 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1995-1996 GMC K1500 PICKUP

    • EngineType: ALL
    • SubModel: SIERRA SPECIAL

    1994 GMC K2500 PICKUP

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

    1982 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: SILVERADO

    1972 CHEVROLET CHEVELLE

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

    1982 CHEVROLET K20 SUBURBAN

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

    2015-2016 RAM 2500

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

    1979 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: CHEVY VAN

    1974 PONTIAC CATALINA

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

    1973-1974 CHEVROLET G20 VAN

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

    1977-1978 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1974 PONTIAC VENTURA

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

    1977-1978 GMC K25 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1980 CHEVROLET K20 SUBURBAN

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

    1971 PONTIAC VENTURA

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

    1996 BUICK ROADMASTER

    • EngineType: ALL
    • SubModel: ESTATE WAGON COLLECTORS EDITION

    1980 CHEVROLET K20 SUBURBAN

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

    1974 CHEVROLET BEL AIR

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

    1972 PONTIAC GRAND SAFARI

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

    1973 CHEVROLET EL CAMINO

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

    1994-1996 GMC C1500 PICKUP

    • EngineType: ALL
    • SubModel: SIERRA SLT

    1986 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: CLASSIC BROUGHAM

    1998 GMC C3500 PICKUP

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

    1985 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: SILVERADO

    1991-1993 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: CLASSIC LTZ

    1994-1995 GMC G25/G2500 VAN

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

    1972 CHEVROLET BEL AIR

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

    1985 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1995-1997 CHEVROLET K1500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1972-1974 OLDSMOBILE CUTLASS SUPREME

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

    1972-1974 CHEVROLET BEL AIR

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

    1977 OLDSMOBILE OMEGA

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

    1994 GMC K2500 PICKUP

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

    1980 CHEVROLET K20 PICKUP

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

    1974 PONTIAC LEMANS

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

    1972 PONTIAC FIREBIRD

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

    1971 CHEVROLET G20 VAN

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

    1973 CHEVROLET IMPALA

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

    1973 CHEVROLET EL CAMINO

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

    1971 CHEVROLET BEL AIR

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

    1984-1985 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1981-1986 GMC K1500 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    2009-2012 TOYOTA RAV4

    • CC: 2494
    • Liter: 2.5
    • SubModel: SPORT
    • CUI: 152
    • EngineType: L4 ( 2.5 L / 152 )

    1974 PONTIAC FIREBIRD

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

    1994 GMC K2500 PICKUP

    • Liter: 6.5
    • Aspiration: N
    • SubModel: SIERRA SLE
    • CUI: 395
    • EngineType: V8 ( 6.5 L / 395 )

    1981 BUICK ELECTRA

    • Liter: 4.1
    • SubModel: PARK AVENUE
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1985 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: SILVERADO

    1970-1972 CHEVROLET CHEVELLE

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

    1977 PONTIAC LEMANS

    • Liter: 6.6
    • SubModel: SAFARI
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    1985 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM

    1973-1977 BUICK REGAL

    • EngineType: ALL
    • SubModel: ALL
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