Exhaust Valves Rave Style / Arctic Cat Category_Default Category/MERCH or give any of these

or give any of these engines/equipment to someone else

13-14 HP gain

This stage 2 comes with our primary spring and secondary spring which helps hold side tension on the belt for less slip

Learn about Secondary springs HERE

The Bikeman Performance billet head kits give you the best of both worlds with excellent horsepower gains and better cooling capacity

Exhaust Valves Rave Style / Arctic Cat Category_Default Category/MERCH or give any of theseWe have upgraded our exhaust valve technology from a membrane bellow style actuator to a piston style actuator. A much simpler design that uses less components and eliminates bellow failure in big bore and turbocharged applications. Our piston mechanism stays lubricated by the engine's 2 stroke oil system and is actuated by the exhaust pressure from the cylinder. Same design works well with naturally aspirated engines as well. We developed this valve