The AutoLoc maintains lock-up when the exhaust brake is activated ensuring that 100% of the retarding force is being transferred in 3rd and 4th gears, preventing slippage and subsequent high oil temperatures. The TorqLoc with its three position switch allows for manual command of the lock-up as well as AutoLoc and stock operations. FEATURES Maintains lock-up when the exhaust brake is activated Ensuring 100% of the retarding force is being transferred in 3rd and 4th gears Prevents slippage and subsequent high oil temperatures INSTALL TIME 2 Hours WARRANTY Parts 12-Months 24,000 Miles