Camshaft Locking Fixtures for use with 4 cylinder and 6 cylinder (For use with M42, M44, M50, M52, M52TU, M54, M56, S50US, S52US). -Top Dead Center (TDC) locating Pin (For use with M42, M44, M50, M52, M52TU, M54, M56, M60, M62, M70, M73, S50B30/32, S54, S56).