On the road, in rain & snow, and on the track, Grip Pro is a winner!The POWERTRAX Grip Pro comes fully assembled.
The POWERTRAX Grip Pro is the latest design in traction adding differential technology. Whether you need the safety of added traction for daily commuting, recreation, work, or just so your muscle car puts power to the pavement instead of burning one wheel up, the POWERTRAX TRACTION SYSTEMS are your answer.32 inches;Cover bolt quantity: Dropout;Differential case design type: Ford 9 inch;Ring gear bolt quantity: 10;Spline quantity: 31;Comes fully assembled;Delivers progressive and variable traction;Allows you to control how much traction is applied;Uses 3x2 spiral gear technology;Housed in a fully machined, forged steel case:Notes: 2.