Wiseco W4050 Head & Base Gasket Kit Top End Rebuild Kit

The Wiseco W4050 is a top end gasket kit designed to provide everything needed for a complete top end engine rebuild. This kit includes the head gasket, base gasket, and exhaust gasket — all the critical sealing components required when replacing a piston or refreshing the top end of a two-stroke engine.

Key Features:

• Includes head gasket, base gasket, and exhaust gasket
• Engineered to complement Wiseco pistons for a precision fit
• Each gasket manufactured to exacting tolerances for reliable, leak-free sealing
• OEM+ quality materials ensure durability under high heat and pressure
• Top end kit only — does not include bottom end components

Wiseco gasket kits are designed and engineered in-house to work seamlessly with the full line of Wiseco pistons and crankshafts, making them the ideal choice for any top end rebuild job.