Lock Right Locker


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

3220-LR Application Notes

  • For Nissan H233B
  • 31 Spline
  • For Open Differential
  • Without Couplers - Requires Factory 31 Spline Side Gears in Good Condition
  • For V6 Pickup and D21


2 Years or 100,000 Miles

3220-LR Specifications

Differential Case Design Type Nissan H233B
Spline Quantity 31
Taxonomy A Differential LD
Taxonomy B Differential Lockers & Spools
Taxonomy C Nissan H233B
Taxonomy D Drop-in Lockers
Type 4 Pinion, Open
Where to buy

Vehicle Applications

  • 1990 – 1994 Nissan D21
  • 1993 – 1995 Nissan Pathfinder
  • 1990 – 1997 Nissan Pickup
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