Wiseco Kit-Yamaha 350 Banshee 66-66.5MM

Wiseco W5474 Top End Gasket Kit

Product Overview

The Wiseco W5474 is a premium top-end gasket kit designed specifically for Yamaha Banshee 350 engines. Built to handle both standard and overbore applications, it delivers reliable sealing for performance rebuilds and high-load riding conditions.

Key Features Complete top-end gasket kit (head, base & exhaust gaskets included) Suits 66.00mm – 66.50mm bore sizes (standard & overbore) Includes all required gaskets and O-rings for rebuild Manufactured using high-quality materials for durability and sealing Designed to work with Wiseco piston kits and performance builds