PowerTrax Grip LS Differential 31 Spline 99161 tube design provides excellent exhaust

tube design provides excellent exhaust flow to let your Ford Windsor block engine breathe deep

Ford: Torino 69 - 74 5

Exclusive low pressure sensor automatically adds air if pressure drops below 5 PSI

more durable machined bolting flanges

PowerTrax Grip LS Differential 31 Spline 99161 tube design provides excellent exhaustFor vehicles that are driven daily, the Powertrax No Slip Traction System is the latest design in quiet traction adding differential technology. It combines the automatic street friendly smooth operation of a limited slip differential with the traction performance of a locking differential. The Powertrax No Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip