Ford/Lincoln Mercury AXODE and AX4S 1991-Up Taurus, Sable and Lincoln Includes new Pressure Regulator Boost Valve with bushing, Lock up valve with bushing, High pressure relief system, pump alignment tool and other components to achieve proper repair of valve body and unit. Addresses Positive lube to front planet gears; reduces costly planet burn up; rough light-throttle up and downshifts; skips 2nd when hot, slide 1-2 when hot, no max 1-2 hot, 2nd clutch failure; soft shifts above 1/2 throttle. Creates a much more durable unit. Installation recommendation: Experienced technician Transmission removal necessary: Yes/Preferred Note: " Valve body components may be installed without removing transmission"