Jegs Free Catalog
1-800-345-4545
FREE SHIPPING!
Orders Over $95
Same Day Shipping Before 11 PM ET
0
My Cart
$0.00
Free Shipping on Orders Over $95
Shop By Vehicle
Shop By
Category
Close Menu
Top Categories
All Categories

Free Catalog
E-Mail Signup
My Account
Track Order
Gift Certificates
Rebates
Help

Richmond Gear 78-0931-1

Mini Spool Ford 9"

Richmond Gear 78-0931-1

836-78-0931-1

jegs shipping
Ships from Manufacturer
Richmond Gear 78-0931-1 Mini Spool Ford 9" $39.99
Mini Spool
  • Ford 9"
  • 31 Spline

  • Richmond Gear 78-0931-1 Details

    Mini Spools

  • Ford

  • 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:

    Axle Type
    Ford 9 in.
    Position
    Rear
    Spline Count
    31
    Differential Case Design Type
    Ford 9
    Manufacturer's Part Number:
    78-0931-1

    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 78-0931-1 fit your vehicle?

    Narrow Results

    1974 FORD GRAN TORINO

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

    1970 MERCURY COUGAR

    • CC: 7014
    • Liter: 7.0
    • Aspiration: N
    • SubModel: COBRA JET
    • Engine Vin: Q
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1969 MERCURY MONTEGO

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

    1968 FORD BRONCO

    • CC: 4949
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1974 FORD GRAN TORINO

    • CC: 7539
    • Liter: 7.5
    • SubModel: ELITE
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1979 FORD E-150 ECONOLINE

    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1981 FORD F-100

    • CC: 4917
    • Liter: 4.9
    • SubModel: RANGER XLT
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1968 MERCURY COUGAR

    • CC: 6391
    • Liter: 6.4
    • SubModel: XR-7
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1975-1976 MERCURY MONTEGO

    • EngineType: ALL
    • SubModel: MX

    1975-1976 FORD F-100

    • Liter: 5.9
    • SubModel: NORTHLAND
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1973 FORD GRAN TORINO

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

    1975-1978 FORD E-100 ECONOLINE

    • Liter: 5.8
    • SubModel: NORTHLAND
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1980 FORD F-100

    • EngineType: ALL
    • SubModel: CUSTOM

    1973-1974 FORD GRAN TORINO

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

    1969 FORD MUSTANG

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

    1971-1972 MERCURY MONTEGO

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

    1971 FORD TORINO

    • CC: 5753
    • Liter: 5.8
    • Aspiration: N
    • SubModel: GT
    • Engine Vin: R
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1970-1971 FORD TORINO

    • CC: 7030
    • Liter: 7.0
    • Aspiration: N
    • SubModel: SQUIRE
    • Engine Vin: J
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1973 FORD BRONCO

    • EngineType: ALL
    • SubModel: WAGON

    1975-1979 FORD F-100

    • CC: 4917
    • Liter: 4.9
    • SubModel: CUSTOM
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1977 FORD F-150

    • EngineType: ALL
    • SubModel: BASE

    1972 MERCURY MONTEGO

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

    1970 MERCURY MONTEGO

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

    1972-1974 FORD TORINO

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

    1968 MERCURY MONTEGO

    • CC: 7014
    • Liter: 7.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1979 FORD E-150 ECONOLINE

    • Liter: 5.0
    • SubModel: CHATEAU
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1969 MERCURY MONTEGO

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

    1972 MERCURY COUGAR

    • CC: 5753
    • Liter: 5.8
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Q
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1969-1970 FORD FAIRLANE

    • CC: 5753
    • Liter: 5.8
    • SubModel: 500
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1977-1978 FORD F-150

    • Liter: 5.0
    • SubModel: NORTHLAND
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1972-1974 FORD GRAN TORINO

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

    1975-1978 FORD E-150 ECONOLINE CLUB WAGON

    • CC: 4917
    • Liter: 4.9
    • SubModel: NORTHLAND
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1971 FORD MUSTANG

    • EngineType: ALL
    • SubModel: BOSS 351

    1984 FORD E-150 ECONOLINE

    • CC: 4917
    • Liter: 4.9
    • SubModel: BASE
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1973-1974 MERCURY MONTEGO

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

    1975-1979 FORD E-150 ECONOLINE

    • CC: 4917
    • Liter: 4.9
    • SubModel: CHATEAU
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1972 FORD E-200 ECONOLINE

    • EngineType: ALL
    • SubModel: CUSTOM WAGON

    1971 MERCURY COUGAR

    • CC: 7030
    • Liter: 7.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1971 MERCURY MONTEGO

    • CC: 5753
    • Liter: 5.8
    • Aspiration: N
    • SubModel: MX BROUGHAM
    • Engine Vin: M
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1970 MERCURY COUGAR

    • CC: 6391
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1971 FORD MUSTANG

    • CC: 5753
    • Liter: 5.8
    • Aspiration: N
    • SubModel: MACH I
    • Engine Vin: R
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1973 FORD GRAN TORINO

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

    1969 MERCURY COMET

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

    1969 MERCURY COMET

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

    1969 FORD FAIRLANE

    • CC: 6391
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1979 FORD E-150 ECONOLINE CLUB WAGON

    • Liter: 5.0
    • SubModel: CHATEAU
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1968 MERCURY COMET

    • CC: 3278
    • Liter: 3.3
    • SubModel: BASE
    • CUI: 200
    • EngineType: L6 ( 3.3 L / 200 )

    1970 MERCURY MONTEGO

    • CC: 7030
    • Liter: 7.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: N
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1971 MERCURY COUGAR

    • CC: 7030
    • Liter: 7.0
    • Aspiration: N
    • SubModel: XR-7
    • Engine Vin: C
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1975 FORD F-100

    • CC: 6391
    • Liter: 6.4
    • SubModel: RANGER
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1970 FORD MUSTANG

    • CC: 5753
    • Liter: 5.8
    • Aspiration: N
    • SubModel: MACH I
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1976 FORD F-150

    • Liter: 5.9
    • SubModel: BASE
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1969 FORD FAIRLANE

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1973-1974 FORD GRAN TORINO

    • CC: 5753
    • Liter: 5.8
    • SubModel: SPORT
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1969-1970 MERCURY COUGAR

    • CC: 5753
    • Liter: 5.8
    • SubModel: XR-7
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1968 MERCURY COUGAR

    • CC: 6997
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1971 FORD E-100 ECONOLINE

    • EngineType: ALL
    • SubModel: BASE

    1975 FORD F-100

    • CC: 6391
    • Liter: 6.4
    • SubModel: NORTHLAND
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1975-1976 FORD F-150

    • EngineType: ALL
    • SubModel: CUSTOM

    1972-1974 FORD E-200 ECONOLINE

    • CC: 3933
    • Liter: 3.9
    • SubModel: BASE
    • CUI: 240
    • EngineType: L6 ( 3.9 L / 240 )

    1970 MERCURY COUGAR

    • CC: 7014
    • Liter: 7.0
    • Aspiration: N
    • SubModel: XR-7
    • Engine Vin: R
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1975 FORD F-100

    • Liter: 5.9
    • SubModel: CUSTOM
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1965 FORD MUSTANG

    • Liter: 2.8
    • SubModel: BASE
    • CUI: 170
    • EngineType: L6 ( 2.8 L / 170 )

    1967 FORD FAIRLANE

    • EngineType: ALL
    • SubModel: BASE

    1979 FORD BRONCO

    • Liter: 5.8
    • SubModel: CUSTOM
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1970-1971 FORD TORINO

    • CC: 7030
    • Liter: 7.0
    • Aspiration: N
    • SubModel: GT
    • Engine Vin: N
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1969 MERCURY COMET

    • CC: 3277
    • Liter: 3.3
    • SubModel: BASE
    • CUI: 200
    • EngineType: L6 ( 3.3 L / 200 )

    1967 FORD FAIRLANE

    • Liter: 3.3
    • SubModel: 500
    • CUI: 200
    • EngineType: L6 ( 3.3 L / 200 )

    1971 MERCURY MONTEGO

    • CC: 5753
    • Liter: 5.8
    • Aspiration: N
    • SubModel: MX BROUGHAM
    • Engine Vin: Q
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1977-1979 FORD E-100 ECONOLINE

    • Liter: 5.8
    • SubModel: BASE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1974 FORD GRAN TORINO

    • CC: 7539
    • Liter: 7.5
    • Aspiration: N
    • SubModel: SQUIRE
    • Engine Vin: A
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1977-1978 FORD F-100

    • Liter: 5.8
    • SubModel: NORTHLAND
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1974 FORD GRAN TORINO

    • CC: 7539
    • Liter: 7.5
    • Aspiration: N
    • SubModel: BROUGHAM
    • Engine Vin: A
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1974 MERCURY COUGAR

    • CC: 7539
    • Liter: 7.5
    • Aspiration: N
    • SubModel: XR-7
    • Engine Vin: C
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1969 FORD FAIRLANE

    • Liter: 3.3
    • SubModel: 500
    • CUI: 200
    • EngineType: L6 ( 3.3 L / 200 )

    1971 FORD E-100 ECONOLINE

    • CC: 3933
    • Liter: 3.9
    • SubModel: CLUB WAGON
    • CUI: 240
    • EngineType: L6 ( 3.9 L / 240 )

    1972-1973 MERCURY MONTEGO

    • CC: 7030
    • Liter: 7.0
    • SubModel: MX BROUGHAM
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1970 FORD E-100 ECONOLINE

    • EngineType: ALL
    • SubModel: ALL

    1969 FORD MUSTANG

    • EngineType: ALL
    • SubModel: BOSS 429

    1968 MERCURY MONTEGO

    • CC: 7014
    • Liter: 7.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Q
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1969-1972 FORD BRONCO

    • EngineType: ALL
    • SubModel: ALL

    1968 FORD FAIRLANE

    • CC: 6997
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1972-1974 FORD E-200 ECONOLINE

    • EngineType: ALL
    • SubModel: CLUB WAGON

    1969 MERCURY MONTEGO

    • Liter: 5.0
    • SubModel: MX
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1975 FORD F-100

    • CC: 6391
    • Liter: 6.4
    • SubModel: CUSTOM
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1969 MERCURY MONTEGO

    • CC: 6997
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1970-1971 FORD TORINO

    • CC: 4949
    • Liter: 5.0
    • SubModel: SQUIRE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1973-1974 MERCURY MONTEGO

    • CC: 5753
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1971 FORD TORINO

    • CC: 5753
    • Liter: 5.8
    • Aspiration: N
    • SubModel: SQUIRE
    • Engine Vin: M
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1970 FORD E-200 ECONOLINE

    • EngineType: ALL
    • SubModel: CLUB WAGON

    1970 FORD MUSTANG

    • CC: 3278
    • Liter: 3.3
    • SubModel: GRANDE
    • CUI: 200
    • EngineType: L6 ( 3.3 L / 200 )

    1970-1974 FORD TORINO

    • CC: 5753
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1969 MERCURY COMET

    • CC: 5753
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1968 FORD BRONCO

    • CC: 4727
    • Liter: 4.7
    • Aspiration: N
    • SubModel: WAGON
    • Engine Vin: C
    • CUI: 289
    • EngineType: V8 ( 4.7 L / 289 )

    1971 FORD MUSTANG

    • CC: 5753
    • Liter: 5.8
    • Aspiration: N
    • SubModel: MACH I
    • Engine Vin: Q
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1973 MERCURY COUGAR

    • CC: 5753
    • Liter: 5.8
    • SubModel: XR-7
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1969 FORD E-200 ECONOLINE

    • EngineType: ALL
    • SubModel: ALL

    1975-1978 FORD F-100

    • Liter: 5.0
    • SubModel: NORTHLAND
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1972 FORD GRAN TORINO

    • CC: 5753
    • Liter: 5.8
    • SubModel: SQUIRE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1967 FORD FAIRLANE

    • Liter: 7.0
    • SubModel: 500
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )
    Items You Need