Cometic C7614 65.5mm Bore Complete Engine Gasket Kit Fits: Yamaha Banshee 1987-2005 with a 65.5mm Bore Today's lightweight engines are producing more horsepower, higher cylinder pressure, clamp load and extreme temperatures Cometic's commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance Supplied with the necessary gaskets for a complete top and bottom end rebuild Installation from a certified mechanic is highly recommended as engine damage may result if the engine is not properly tuned