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VERTEX Piston Kit Cast Replica for 2-Stroke (39.47 mm) Restore performance with the VERTEX piston kit cast replica for 2-stroke engines. Designed as an OE replacement for off-road riding, this kit delivers reliable power and durability for your KTM. Key Features Heat treated piston with a T-5 hardening and tempering cycle for strength and stability High-tech Molybdenum Disulphite skirt coating for faster break-in and increased piston life Gravity-cast aluminum alloy (not forged) with 18% silicone content for wear resistance Cast OE replacement piston for straightforward fitment Includes: piston, rings, wrist pin, and circlips Specifications Riding Style: Off-Road Engine Type: 2-Stroke Cylinder Diameter: 39.50 mm Piston Diameter: 39.47 mm Displacement: 50 cc Model: Cast Replica Compression Ratio: Standard Piston Material: Cast Aluminum Alloy Skirt Coating: Molybdenum Disulphite Units: Kit VERTEX piston kits are built for dependable off-road operation—choose a durable, OE-style replacement for your next rebuild.
Piston is heat treated with a T-5 hardening and tempering cycle
Piston skirt is coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life
Gravity-cast aluminum alloy (not forged) with 18% silicone content
Cast OE replacement piston
Kit includes piston, rings, wrist pin and circlips