Reserve from the case
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
Reserve from the case
Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
This Blue Line OEM cylinder kit fits bikes running 50cc 4-stroke 139QMB engines
Get lighter
Optimized backpressure and exhaust scavenging deliver a 3–4 MPH increase in top speed and a noticeable boost in mid-range torque
similar to stock but smoother
TRIM - FRONT RIGHT OUTER ALUMINIUM STRIP (GT150, GP300S) KYMCO rack This Blue Line OEM cylinderYou can also purchase this part through your local Royal Alloy dealer.
Pay in 4 interest-free payments of $5.75 Learn more