Description:

GY6-50/80cc Engine Chain Tensioner Cam shaft Timing. Compatible for GY6 49cc 50cc QMB139 139QMB 139QMA engine ATV scooter moped. Made with high strength aluminium for maximum durability. Anti-rust, lightweight and abrasion resistance.. Original standard, direct replacement for old or broken one.Perfect match for the original car, easy to install..