Differential Mini Spool

Richmond Spools are the lightest, strongest, and most efficient way to lock both axle shafts together. They're CAD/CAM-designed, CNC-machined from 4140 alloy-steel forgings, and heat-treated to aircraft standards.

78-0931-1 Application Notes

  • For Ford 9"
  • 31 Spline
  • Mini Spool
  • For Open Carriers
  • Steel

Warranty

1 Year or 50,000 Miles

78-0931-1 Specifications

Differential Case Design Type Ford 9
Spline Quantity 31
Taxonomy A Differential LD
Taxonomy B Differential Lockers & Spools
Taxonomy C Ford 9
Taxonomy D Mini-Spools
Where to buy

Vehicle Applications

  • 1967 – 1986 Ford Bronco
  • 1969 – 1983 Ford E-100 Econoline
  • 1975 – 1983 Ford E-100 Econoline Club Wagon
  • 1975 – 1986 Ford E-150 Econoline
  • 1975 – 1986 Ford E-150 Econoline Club Wagon
  • 1969 – 1974 Ford E-200 Econoline
  • 1975 – 1983 Ford F-100
  • 1975 – 1986 Ford F-150
  • 1962 – 1970 Ford Fairlane
  • 1972 – 1976 Ford Gran Torino
  • 1975 – 1980 Ford Granada
  • 1977 – 1979 Ford LTD II
  • 1965 – 1973 Ford Mustang
  • 1970 – 1976 Ford Torino
  • 1977 – 1980 Lincoln Versailles
  • 1963 – 1969 Mercury Comet
  • 1971 – 1972 Mercury Comet
  • 1967 – 1973 Mercury Cougar
  • 1975 – 1980 Mercury Monarch
  • 1968 – 1976 Mercury Montego
  • 1975 – 1979 Plymouth Poseidon
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov