Top Loader transmission input shaft seal, small shaft, 289, 302, 351, and 390 only. Quality Timken part. Fits all 3 and 4 speed Top Loader Ford transmissions 1967-73 Mercury Cougar and 1965-73 Ford Mustang. Follow manufacturers instructions for installation or go to YouTube University.
*Note - excludes big shaft 428CJ, 429CJ, and Boss 429 transmissions.