YZ250 YZ 250 BIG BORE Cylinder 72mm Cylinder Head Power Valve Wiseco Top End Kit GSXR1100 Compatible with all Polaris turbocharged

Compatible with all Polaris turbocharged models and years

Kibblewhite Red Viton Valve stem seals (5)

or Grizzly 660 running at its best

100mm 490cc Big Bore Cylinder Kit With a JE 12

& Team Suzuki

YZ250 YZ 250 BIG BORE Cylinder 72mm Cylinder Head Power Valve Wiseco Top End Kit GSXR1100 Compatible with all Polaris turbochargedUnlock the hidden power of your YZ250 with this complete 72mm big bore top end kit the easy bolt on solution for transforming your bike into a high performance racing machine. Big Bore Cylinder, Big Bore Cylinder Head, Big Bore Power Valve, Piston, Gaskets, Spark Plug 72mm bore Wiseco forged piston increases displacement for more power (Includes Rings, Wristpin, & Circlips) Cometic top end gasket kit ensures a leak free seal Big bore cylinder head