Vertex Forged Piston Kit (860cc Big Bore) – 6.00mm Oversize to 90.96mm, 9:1 Compression 23910B

Exact fit A, B, or C pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption2-stroke pistons have an 18% silicon content which decreases wear and thermal expansion, allowing for tighter runnin