Vertex Piston 03-24 KTM 85 SX 85cc Replacement Ring for Cast Replica and Cast Race Pistons - Single

Exact fit A, B or C pistons match your cylinder bore perfectly to maximize power and performance, while reducing blow-by and oil consumption. All piston kits include piston, rings, wrist pin and circlips required.

• Skirts are coated with a hi-tech molybdenum disulphide (MoS2) for faster break-in and increased piston life
• Heat treated with T-5 hardening and tempering cycle