The Intake Exhaust Valves for your Lifan YX 125cc and 140cc engine offer improved power and performance. The 23mm and 27mm fit ensures a secure and efficient connection between the engine and the exhaust system. These valves are designed with durability, reliability, and ease of installation in mind. They provide a comfortable and quieter ride, making it a perfect choice for Pit Dirt Bike Enthusiasts. The "Thump SR" feature enhances the bass and low-end sound, giving your bike an excellent sound system. With "Dem X W" compatibility, you can easily switch between the two valve sizes as per your need.
Intake exhaust valves are ideal for Lifan YX 125cc and 140cc engine fitted on Do Dem X W thump SR.
