BOYSEN RAD VALVE KIT

Fits Ski-Doo 600 HO SDI 2004-07Complete air/fuel controlTotal system integrationUnparralled and superiorHorse power gains arrive sooner, peak higher and carry longerNo power drop when exhaust valves openCast aluminum valve body won't fail or tear like plastic or rubber partsDual-stage carbon reeds improves performance, extends reed petal lifeMaximum streamlined airflow eliminates turbulence and generates velocityKit includes (2) rage cages, (2) spacers, (2) power wings and bolts and gasketsGuaranteed.