Get rid of that one-wheel peel, get maximum traction, and enjoy your new-found power! Install a locker or limited slip differential in your hot rod, truck or off-road vehicle! Best money spent! And of course if you are modifying your engine, that torque converter can make or break your power to the transmission....do it right! Pick the right stall and converter for your needs! Need more room? Update your rear end! Do it now!