Vertex 23879A Cast Replica Stroker Piston Kit (112cc) - Standard Bore 51.95mm suspension-swingarms-components-bearings-bushings-seals 1994-1998 Yamaha YFM350FW Big Bear

1994-1998 Yamaha YFM350FW Big Bear 4x4

All-new rubber compounds provide remarkable wet grip without compromising durability

1981 Kawasaki KLT200

Made from durable but soft PVC

2008-2012 KTM 450 XC-W

Vertex 23879A Cast Replica Stroker Piston Kit (112cc) - Standard Bore 51.95mm suspension-swingarms-components-bearings-bushings-seals 1994-1998 Yamaha YFM350FW Big BearBore: 51. 95mm Sizing: Standard Bore 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 which decreases wear and thermal expansion, allowing for tighter running tolerances for more power, less noise, and longer lifespan. High tech Molybdenum Disulphide (MOS2) skirt coating for reduced wear and improved break in. 4