TOP END PISTON KIT VERTEX 53.94MM RACE EVOLUTION YAMAHA WR125 05-21 YZ125 05-21 Stock Item:TOP END PISTON KIT VERTEX 53.94MM RACE EVOLUTION YAMAHA WR125 05-21 YZ125 05-21 - Efficient Rebuilds: Complete kit

- Efficient Rebuilds: Complete kit simplifies the installation process

Light weight construction coupled with rigid and flex zones in the carcass helps keep the tread on the ground for awesome traction in bumpy rutted conditions

Standard assembly leaves license plate in the same position as original homologation*

Gasket Set Complete Namura Honda CRF450R 07-08

TOP END PISTON KIT VERTEX 53.94MM RACE EVOLUTION YAMAHA WR125 05-21 YZ125 05-21 Stock Item:TOP END PISTON KIT VERTEX 53.94MM RACE EVOLUTION YAMAHA WR125 05-21 YZ125 05-21 - Efficient Rebuilds: Complete kitVertex 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