Genuine Z40 performance cam kit to fit YX140 engines, this is a highly desirable upgrade to your YX140 engine.
Increases your engine power up 2HP from standard.
Included with the kit:
Z40 performance cam
Uprated performance valve springs
Uprated performance timing sprocket
This set is suitable for the KURZ TMR 140 and any other bikes with a YX140 engine.
Please note this set does not fit Lifan 140 engines