PISTON KIT VERTEX 53.95MM RACE EVOLUTION YAMAHA WR125 YZ125 05-ON Springs are made of swosc-v

Springs are made of swosc-v material (oil-tempered steel wire)

All older bearing and seal designs are upgraded to the best and latest specifications and designs

- Extended Engine Life: High-quality bearings reduce the risk of premature engine failure and extend the life of other critical engine components

Side Panel LEFT HAND ONLY Rtech White Black

PISTON KIT VERTEX 53.95MM RACE EVOLUTION YAMAHA WR125 YZ125 05-ON Springs are made of swosc-vVertex 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