VERTEX offers you a replica forged piston kit designed for 450cc 4-stroke engines requiring power, torque and endurance, with a high-strength forged aluminum alloy construction offering excellent mechanical and thermal resistance to the heavy demands of motocross and supercross. Thanks to its precision machining and anti-friction coating on the piston skirt, this kit reduces internal friction, improves lubrication and promotes more efficient combustion to ensure smooth revving, better engine response and consistent performance. Its Replica design respects original specifications to ensure reliable assembly, stable compression and excellent durability even under heavy use. The kit is usually supplied complete with piston, rings, pin and circlips to ensure a reliable, long-lasting top end rebuild.