HONDA CRF 100 radius follower single cam, Give the CRF 100 some power and much needed torque at higher rpms with the DCR race spec. Also fits 1994-2003 XR 80/100, intake spec .264" lift x 224 degree, Exhaust spec .237" lift x 230 degree° duration, .004" clearance, 2 degree tighter lobe separation

Fits 1994-2003 xr80 - 100 engines