This Faito Racing Stage 1 "Low Cam" Camshaft is made from quality material for longer durability. still higher than the standard cam, with a duration of 258 degrees, will provide the best results for a higher RPMs for the daily ridden lightly modified motor. Rocker arms included with the kit. Fits on Honda Cub C90 and Cub C100 non-dream 12v models, also Honda Biz 100. (49.5mm stroke, vertical cylinder cooling fins) underbones.