Vertex Cast Replica Top End Piston Kit is an OEM-style replacement for 125cc 2-stroke engines, built for reliable performance and long service life. Heat-treated and coated for faster break-in and reduced wear.
Vertex Top End Piston Kit (Cast Replica) is a high-quality, OE-form replacement kit designed to refresh the top end of your 125cc 2-stroke engine with dependable fitment and consistent performance. The cast replica design mirrors original specifications, making it a smart choice for riders who want a straightforward rebuild without changing the engine’s character.
To reduce wear and speed up the break-in period, the piston skirt is finished with a high-tech molybdenum disulphide (MoS2) coating. The piston is also heat-treated using a T-5 hardening and tempering cycle, helping it withstand demanding motocross and enduro use while maintaining stable operation over time.
