YX160 Adjustable Cam Sprocket
 
DOES NOT FIT ZONGSHEN Z155

This Camshaft Sprocket allows you to advance and retard the engine timing to help gain the most power. 
 
MUST BE FITTED VIA A PROFESSIONAL MECHANIC AS DAMAGE MAY OCCUR IF INCORRECTLY USED. FOR BEST RESULTS REQUIRES DYNO SETUP

Item Includes:
•1x Adjustable Cam Sprocket