Lock Right Locker

148051
148052
148053
9187

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

1920-LR Application Notes

  • For GM 8.5" (10 Bolt)
  • 28 Spline
  • For Open Differential

Warranty

2 Years or 100,000 Miles

1920-LR Specifications

Axle Shaft Diameter 1.2 (Inch)
Differential Case Design Type GM 8.5
Ring Gear Bolt Quantity 10
Spline Quantity 28
Taxonomy A LD Differential
Taxonomy B Differential Lockers & Spools
Taxonomy C GM 8.5
Taxonomy D Drop-in Lockers
Type Open
Where to buy

Vehicle Applications

  • 1977 – 1986 Chevrolet K10
  • 1977 – 1986 Chevrolet K10 Suburban
  • 1988 – 1999 Chevrolet K1500
  • 1977 – 1986 Chevrolet K20
  • 1977 – 1986 Chevrolet K20 Suburban
  • 1988 – 1991 Chevrolet K2500
  • 1975 – 1986 Chevrolet K5 Blazer
  • 1987 Chevrolet V10
  • 1987 – 1988 Chevrolet V10 Suburban
  • 1989 – 1991 Chevrolet V1500 Suburban
  • 1987 Chevrolet V20
  • 1987 Chevrolet V20 Suburban
  • 1979 – 1986 GMC K1500
  • 1979 – 1986 GMC K2500
  • 1988 – 1991 GMC K2500
  • 1979 – 1986 GMC K2500 Suburban
  • 1987 GMC V1500
  • 1987 – 1991 GMC V1500 Suburban
  • 1987 GMC V2500
  • 1987 GMC V2500 Suburban
  • 1985 – 1988 Plymouth Pathfinder
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov