If you are looking for the ultimate in traction, the Powertrax Grip LOK can handle the torque of engines producing up to 550hp. It combines the fully-automatic locking action of our traditional locker, with the strength of a fully machined case.
Using our automatic locking technology, the Powertrax Grip Lok delivers automatic mechanically actuated traction. This is our strongest locking differential, offering the ultimate in competition for street, strip and off-road capabilities.

• Comes Fully Assembled
• Traction Adding Differential Technology
• Delivers Automatic Mechanically Actuated Traction
• Housed in a Fully Machined, Forged Steel Case

Specifications:

• Differential Case Type - Dana 44 Rear Axle
• Limited Slip - Progressive and Variable Traction
• Differential Carrier Break - 3.92 and up gear ratio
• Dual Drilled Ring Gear Bolts - 3/8" & 7/16"
• Axle Spline Count - 30
• Axle Shaft Diameter - 1.31"
• Cover Bolt Quantity - 10
• Ring Gear Bolt Quantity - 10