Wiseco Pistons W5391 .020 Fiber Base Gasket for Yamaha FJ1100/FJ1200

The Wiseco W5391 is a precision-engineered fiber base gasket designed specifically for Yamaha FJ1100 and FJ1200 motorcycles. This .020" oversize gasket provides the critical seal between the cylinder and crankcase, ensuring optimal compression and preventing oil leaks.

Key Features:

• Premium fiber composite material for superior durability and heat resistance
• Advanced sealing technology that exceeds OEM specifications
• .020" oversize thickness for precise fitment and compression control
• Engineered to withstand extreme temperatures and pressure cycles
• Direct replacement for Yamaha FJ1100 and FJ1200 base gaskets

Wiseco is a trusted name in performance engine components, and this base gasket delivers the reliability and quality you expect for your motorcycle's engine rebuild or maintenance. The fiber construction provides excellent conformability to mating surfaces while maintaining structural integrity under demanding conditions.