Lock Right Locker

9144
9145

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

1820-LR Application Notes

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

Warranty

2 Years or 100,000 Miles

1820-LR Specifications

Axle Shaft Diameter 1.2 (Inch)
Differential Case Design Type Ford 8.8
Ring Gear Bolt Quantity 10
Spline Quantity 28
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

  • 1990 – 1992 Chrysler Bugle
  • 1990 – 1997 Ford Aerostar
  • 1992 – 2004 Ford Crown Victoria
  • 1979 – 1986 Ford LTD
  • 1987 – 1991 Ford LTD Crown Victoria
  • 1986 – 2004 Ford Mustang
  • 1985 – 2011 Ford Ranger
  • 1987 – 1997 Ford Thunderbird
  • 1984 – 1992 Lincoln Mark VII
  • 1993 – 1998 Lincoln Mark VIII
  • 1981 – 2002 Lincoln Town Car
  • 1994 – 2010 Mazda B4000
  • 1986 Mercury Capri
  • 1988 – 1997 Mercury Cougar
  • 1980 – 2004 Mercury Grand Marquis
  • 2003 – 2004 Mercury Marauder
  • 1982 – 1985 Mercury Marquis
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov