Vertex presents the 'Pro Race' 2-stroke piston, a lightweight and high-quality forged piston developed with VERTEX technology. The premium piston alloy ensures high wear resistance. All pistons undergo a special T-5 or T-6 hardening and tempering cycle for heat treatment. The package includes the piston with piston rings, piston pin, and piston pin clips! Piston options for 2-stroke: Replica = piston conforms to the original shape, Race = performance-enhancing piston design, Pro Race = forged special piston.