Allows for wide-open throttle during launch No torque limitations True two-step Comes with an activation switch and harness Interfaces to the coil on plug Specially designed primary and secondary spring to mesh with proper free length and rates Easily adjustable for sand, mud, rock, and trail applications Efficient power transmission to the wheels Cooler clutch temps yield increased belt life Made in the USA. STAGE KIT POL RZR PROR 22