Harley Davidson Transmission Super Nut For Sprocket 4-Speed B/T 36-86 BC18163

TRANSMISSION SEAL NUT (SUPER NUT STYLE)
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)