Vertex Cast Replica Piston Kit 24370B YZ85 YZ85B RM65 This is the first Billet

This is the first Billet cap made for the 50's and it's about time

Im sure you will find even more ways to use the Multi Tool

- Vertex top end gasket kit (810414)

VERTEX Top End Piston Kit VK4005A

Vertex Cast Replica Piston Kit 24370B YZ85 YZ85B RM65 This is the first BilletMade in Italy Product number: 24370B Fits Models: YZ 85 2002 2023 YZ 85 Big wheel 2022 2023 SPECS: Compression RatioSTD Cylinder Diameter 47. 500 mm Displacement 85 cc Piston Diameter 47. 450mm Kit includes: Piston, rings, wrist pin, and circlips Vertex Piston Kits Exact fit A, B, or C pistons match your cylinder bore perfectly to maximize power and performance while reducing blow by and oil consumption 2 stroke pistons have an 18% silicon content