BPRATV YZ250 YZ 250 Big Bore 72 Replacement Cylinder Head Kit Cometic Gasket Kit Raptor 50 A: No machining is required—this

A: No machining is required—this is a true bolt-on kit designed for direct installation

providing exceptional acceleration

Machined from Ti6 high quality titanium alloy

Honda XR400R – All Years

YZ250FX models and years

BPRATV YZ250 YZ 250 Big Bore 72 Replacement Cylinder Head Kit Cometic Gasket Kit Raptor 50 A: No machining is required—thisBPRATV YZ250 72mm cylinder head with Cometic top end gasket kit designed for big bore engines and reliable sealing performance. BPRATV Yamaha YZ250 72mm Big Bore Cylinder Head & Cometic Top End Kit 1999 2025 Product Description Upgrade your engine performance with the BPRATV Yamaha YZ250 72mm Big Bore Cylinder Head Kit paired with a premium Cometic Top End Gasket Kit. Designed specifically for big bore applications, this high performance cylinder head