Powertrax Grip Lok is the latest design in traction adding differential technology. It combines the fully automatic locking action of a traditional locker along with a fully machined Forged steel case. Using automatic locking technology, the Powertrax Grip Lok delivers automatic mechanically actuated traction. This is Powertrax's strongest locking differential, offering the ultimate in competition and offroad capabilities. Posi additive is not required or recommended. Designed for rugged competition and offroad traction needs, this is not for the timid or weak!

• Fits GM 10.5" 14 bolt truck
• Installs into standard open carrier

Application: 1973-2015 GM 10.5" Chevy 14 bolt Rearend (with bolt in full float axles only)

Compatible Carrier: standard open (will not fit posi type carriers)

Axle Splines: 30