Import. The Super Nut has a strong reputation stretching several decades. The added benefit? This mainshaft nut, with built-in replaceable seal, will help you keep the transmission oil where it belongs... Inside. Note: Due to the added height it may interfere with some mainshaft support or inner primary cases. Note: See 518760 for James replacement seal & 517165 for replacement lock tab washer.
Fits: > 36-86 4-speed B.T.(NU)
Made from proprietary material that has been developed over many hours of testing in the lab and on the street
High quality replacement dampener made to be used in place of OE stock rubber; fits like OE
Will not deteriorate or compress like the OE dampener; provides much longer lifetime
Made in the U.S.A.