Lock Right Locker

9151
9152

Powertrax® Lock-Right performance lockers’ straight-line performance is equal to a solid spool axle, yet they automatically unlock during turns. When extreme traction output and high-strength are required, racers, hot-rodders and muscle car owners chose Lock-Right lockers!
Best suited for extreme off-road to severe on-road use, Powertrax lockers replace the spider gears in your differential carrier without affecting your ring and pinion settings. The whole job can be done in your driveway with common hand tools in a couple of hours. A carrier is not included.

  • Brute Force Devices For Rugged Applications
  • Replacement Of Differential Case Not Required
  • Ring And Pinion Setup Not Altered
  • Installs Easily In Front/Rear Or Both
  • Proven In Most Demanding Applications

1821-LR Application Notes

  • For Ford 8.8" (10 Bolt)
  • 31 Spline
  • For Open Differential
  • 3/4" Shaft

Warranty

2 Years or 100,000 Miles

1821-LR Specifications

Axle Shaft Diameter 1.32 (Inch)
Differential Case Design Type Ford 8.8
Ring Gear Bolt Quantity 10
Spline Quantity 31
Taxonomy A Differential LD
Taxonomy B Differential Lockers & Spools
Taxonomy C Ford 8.8
Taxonomy D Drop-in Lockers
Type Open
Where to buy

Vehicle Applications

  • 1983 – 1984 Chevrolet Terrain
  • 1983 – 1986 Ford Bronco
  • 1983 Ford E-100 Econoline
  • 1983 Ford E-100 Econoline Club Wagon
  • 1983 – 1986 Ford E-150 Econoline
  • 1983 – 1986 Ford E-150 Econoline Club Wagon
  • 1983 – 1986 Ford E-250 Econoline
  • 1983 – 1986 Ford E-250 Econoline Club Wagon
  • 1983 – 1986 Ford F-150
  • 1983 – 1986 Ford F-250
  • 2010 – 2014 Ford Mustang
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov