Drum Unit Set

04 05 06 Yamaha WR450F WR 450F 480cc Big Bore Cylinder CP Piston Hotrods Crank

04 05 06 Yamaha WR450F WR 450F 480cc Big Bore Cylinder CP Piston Hotrods Crank
04 05 06 Yamaha WR450F WR 450F 480cc Big Bore Cylinder CP Piston Hotrods Crank
04 05 06 Yamaha WR450F WR 450F 480cc Big Bore Cylinder CP Piston Hotrods Crank

04 05 06 Yamaha WR450F WR 450F 480cc Big Bore Cylinder CP Piston Hotrods Crank

Athena / CP Carrillo / AZ Quad Parts / Hotrods Full Motor Rebuild Kit. 98mm 480cc Big Bore Complete Motor Rebuild Kit! This Is The Best Big Bore Kit On The Market! Fits Yamaha WR450F Dirt Bike Models.

Years 2004 2005 2006 ONLY. 98mm 480cc Nikasil Athena Big Bore Cylinder. Larger Water Jackets For Superior Cooling!

CP Cariilo Piston Kit (Includes, Piston, Pin, Rings & Clips). 13.5:1 Compression Ratio. Piston Kit Will Handle Up To +1mm Bigger Valves! Athena Complete Top End Gasket Set. Hotrods Heavy Crankshaft & Connecting Rod. It will work with your stock head and valves.
04 05 06 Yamaha WR450F WR 450F 480cc Big Bore Cylinder CP Piston Hotrods Crank