Vertex Cast Race Evolution Stoker Piston Kit (112cc) - Standard Bore 51.96mm - 24530B

1.5mm Longer Skirt.
Motocross & Enduro racing team tested and proven.
Built specifically for racing applications with a special racing profile, reduced top ring land, nitride 0.8mm steel ring, exclusive MoS2 coating featured with specific pockets to facilitate cylinder/piston smoothness.
Includes (Dome-Top Piston, Single Compression Ring, Wrist Pin & Circlips).
Must be used with Stroker Crankshaft.