TOP END PISTON KIT VERTEX 53.95MM RACE EVOLUTION YAMAHA WR125 05-21 YZ125 05-21 Stock Item:TOP END PISTON KIT VERTEX 53.95MM RACE EVOLUTION YAMAHA WR125 05-21 YZ125 05-21 Fully compatible with all other

Fully compatible with all other OEM components

Universal compatibility with all LS2 jackets

High quality and durable

Restore lost performance or non-functioning fuel pump with this economical solution

while an ergonomic front handle and removable shoulder straps let you carry the bag comfortably by hand or wear it like a backpack when you're off the bike

TOP END PISTON KIT VERTEX 53.95MM RACE EVOLUTION YAMAHA WR125 05-21 YZ125 05-21 Stock Item:TOP END PISTON KIT VERTEX 53.95MM RACE EVOLUTION YAMAHA WR125 05-21 YZ125 05-21 Fully compatible with all otherVertex Pistons has introduced a new line called Race Evolution, specifically designed for 2 stroke off road racing applications. These high performance pistons have been rigorously tested by supported racing teams and feature several advancements tailored for competitive racing. Key Innovations: Reduced Top Land: Minimizes piston weight and optimizes combustion chamber dynamics, enhancing engine efficiency. Special 0. 8 mm Ring: This thinner ring