James Gaskets Transmission Seal Nut (Super Nut)

James Gaskets Transmission Seal Nut (Super Nut) is a practical replacement part for motorcycle service, repair or rebuild work.

The Super Nut is an original James designed mainshaft nut that 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.

Fitment / notes: 36-86 4-speed Big Twin

• Product family: Primary Gaskets & Seals
• Use area: Cylinder Base Nut Kits
• Suitable where the listed fitment matches.

SKU: 501791