Lock Right Locker

9221
9222

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

1940-LR Application Notes

  • For GM 8.2" (10 Bolt)
  • 28 Spline
  • For Open Differential

Warranty

2 Years or 100,000 Miles

1940-LR Specifications

Axle Shaft Diameter 1.23 (Inch)
Differential Case Design Type GM 8.2
Ring Gear Bolt Quantity 10
Spline Quantity 28
Taxonomy A Differential LD
Taxonomy B Differential Lockers & Spools
Taxonomy C GM 8.2
Taxonomy D Drop-in Lockers
Type Open
Where to buy

Vehicle Applications

  • 1964 – 1970 Buick Wildcat
  • 1964 – 1972 Chevrolet Bel Air
  • 1964 – 1972 Chevrolet Biscayne
  • 1969 – 1972 Chevrolet Brookwood
  • 1967 – 1970 Chevrolet Camaro
  • 1966 – 1971 Chevrolet Caprice
  • 1964 – 1972 Chevrolet Chevelle
  • 1964 – 1968 Chevrolet Chevy II
  • 1964 – 1972 Chevrolet El Camino
  • 1964 – 1972 Chevrolet Impala
  • 1964 – 1967 Chevrolet Malibu
  • 1970 – 1972 Chevrolet Monte Carlo
  • 1969 – 1972 Chevrolet Nova
  • 1971 – 1972 GMC Sprint
  • 1972 Pontiac Bristol
  • 1969 – 1972 Pontiac Firebird
  • 1970 – 1972 Pontiac GTO
  • 1964 – 1970 Pontiac Tempest
  • 1971 Pontiac Ventura
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov