Graves Motorsports High Compression Piston Yz250f 2006-2008 Pk410 Corsair-X/Defiant-X/Signet-X Helmet Interior Pad — 2XL * now allows you remove

* now allows you remove the factory ABS system completely without losing electronic assists

There are three reasons why you want to remove the air injection system from your bike

For increased result combine with a Dynojet Power Commander and Graves Motorsports exhaust system to maximize your Yamaha R1 or FZ-1 horsepower

yet lighter shell with excellent Glancing Off properties

Graves Motorsports High Compression Piston Yz250f 2006-2008 Pk410 Corsair-X/Defiant-X/Signet-X Helmet Interior Pad — 2XL * now allows you removeGraves Motorsports Yamaha YZ250F High Compression Piston 2006 2008 Graves Motorsports Yamaha YZ250F High Compression Piston. Developed by the Team Graves Yamaha supermoto team for use on the 06 08 YZ250F Yamaha supermoto race bikes. This piston is compatible with oversize valves, higher lift cams and incorporates an X style forging for additional strength, durability and weight reduction. These pistons represent the highest quality of engineering