Hardware kit allows the installation of a Hammer automatic shifter into a vehicle with a C4 transmissionFor use with B&M models 81001, 81002, and 81003Backed by a limited warranty from the manufacturerThis conversion kit was put together by B&M to provide the additional parts necessary for installing the Console Hammer automatic shifter into a vehicle with a C4 transmission. Designed to work with B&M Hammer models 81001, 81002, and 81003.