Profile: KVR Concepts supplies various types of cam clutches, lift- off cam clutches, direct mount clutches and keyless transmission elements. Our KVH series lift-off cam clutches are precision devices, which lock the inner and outer races through the wedging action of cams to transmit torque in one direction of rotation & overrun in the opposite direction. Our KVH series lift-off cam clutches is used in drive applications. Our KVD series direct mounting sprag clutches is specifically designed for use as backstops in applications where compact dimensions are required.