Cylinder Works 19-20 Yamaha WR 450 F 450cc +2mm Big Bore Top-End Gasket Kit 99mm

This Cylinder Works Big Bore Gasket Kit is built around a 99mm bore size, a +2mm increase over stock, designed for your 2019-2020 Yamaha WR 450 F. When you're rebuilding the top end of your engine, especially after a big bore modification, having the right gaskets is crucial for a proper seal and reliable performance. This kit contains all the essential gaskets and O-rings you'll need to get the cylinder and head back in place correctly.

Inside this kit, you'll find the head gasket, base gasket, and exhaust gaskets, along with the necessary O-rings. These components are specifically chosen to work with the larger bore size, ensuring a tight seal that prevents leaks and maintains compression. Having a complete set like this saves you the hassle of sourcing individual parts, making your engine rebuild smoother and more efficient.