The OTC Shift Rail Seal Installer, No. 6716, inserts the shift seal on the Tremec TR 3160 manual transmission to the proper depth to ensure optimal seal life. The installer includes a removable pilot, allowing for use on-vehicle in addition to during unit repair, with the shift shaft in place or removed. The tool is similar to the DT-51077, the company says. This tool works on 2013 and later Cadillac ATS manual transmission, 2016 and alter Chevrolet Camaro and 2016 and later Ford Mustang Shelby GT350.