The Powertrax Grip LS, is a clutch-type differential in a forged steel case. This differential uses a set of carbon clutch discs to provide traction as needed, is re-buildable and serviceable, and aimed squarely at the street machine market. Using carbon-fiber and steel friction plate technology, the Powertrax Grip LS delivers street-able and consistent traction. You asked for it, and we made it! An all-new complete case, s-spring preloaded limited-slip differential is now available!