Fits Ford and Mercury vehicles, model years 1965 through 1995, with the following engine and transmission configurations: Small Block V8, 289, 302, 351W. 164 Tooth Ring Gear (Automatic Only), 157 Tooth Ring Gear (Automatic & Manual), Indexible, Flywheel Set Back must be 3/4 in. (as measured from the mounting flange to the front surface of the flywheel). Mounting Register Diameter must be 4.084 in.
- Four Position Indexing Possible