EXHAUST VALVE YAM Rear Bumpers With a factory-calibrated starting point

With a factory-calibrated starting point and full tunability

These belts are built with lab-proven technology and trail-proven strength—you won’t find a better set of belts anywhere

and a directional seat with a 14° angle

With the incorporated recess – and Caliber’s TraxSaver – you have a secure storage solution to prevent lug compression of your track in the off-season

EXHAUST VALVE YAM Rear Bumpers With a factory-calibrated starting pointThese materials have proven heat and corrosion resistance properties. Each valve is designed using Finite Element Analysis software, and profiles are tested on our computerized flow bench. Strict attention is paid to the surface preparation of the valves, and the purity of the chrome is closely monitored. A 360 degree anode is used to produce the highest possible grade of hard chrome finish. White Diamond Valves are light, strong, one piece forgings