TOP END PISTON KIT VERTEX 53.93MM RACE EVOLUTION YAMAHA WR125 05-21 YZ125 05-21 Stock Item:Default Title preventing unwanted rotation during belt

preventing unwanted rotation during belt or chain maintenance

Flexible yet strong construction to prevent snapping under moderate stress

with limited thickness

Produced with high-quality technopolymers that offer a balance of stiffness and flexibility

TOP END PISTON KIT VERTEX 53.93MM RACE EVOLUTION YAMAHA WR125 05-21 YZ125 05-21 Stock Item:Default Title preventing unwanted rotation during beltVertex Pistons have launched a new version for 2 stroke off road pistons named Race Evolution. These exotic pistons, tested by the existing supported racing teams, are specifically for racing application and stand out from the other product lines by reduced top land, 0,8 mm special ring, special MoS2 coating featured by specific pockets to facilitate cylinder piston smoothness and new special dedicated racing profile. Features that make these Vertex