YZ250 YZ 250 Big Bore Cylinder 72mm Kit Big Bore Cylinder Head Power Valve Kit Ranger XP900 Must be used with Kibblewhite

Must be used with Kibblewhite Valve Spring kit

MAXLOCK case hardened 35Cro head studs

- Water pump bearing

WORKS ON ALL '99-04 HONDA TRX 400EX MODELS

this water pump seal bearing will keep your engine running cool and smoothly

YZ250 YZ 250 Big Bore Cylinder 72mm Kit Big Bore Cylinder Head Power Valve Kit Ranger XP900 Must be used with Kibblewhite72mm big bore cylinder 72mm Wiseco forged piston Piston rings Chrome wrist pin Circlips Top end gasket kit Wrist pin bearing Big bore cylinder head Required for 72mm big bore kit Big bore power valve kit Required for 72mm big bore kit Titanium cylinder head stud kit LIFETIME WARRANTY*! Runs on pump or race gas No case mods are required Compatible with all 2001+ Yamaha YZ250 two stroke bikes