Wiseco PK1868 56mm 2-Stroke Forged Piston Kit with Top-End Gasket

The Wiseco PK1868 is a 56.00mm bore 2-stroke forged piston kit designed for high-performance dirt bikes and off-road motorcycles. This complete top-end kit pairs Wiseco's industry-leading forged piston technology with a top-end gasket kit, delivering everything needed for a quality engine rebuild.

Forged Piston Advantage:

• USA-forged construction — all pistons are forged in-house at Wiseco's domestic facility for uncompromising quality control
• Condensed, aligned grain structure provides superior mechanical strength, impact resistance, and fatigue resistance compared to cast alternatives
• Optimized strength-to-weight ratio for maximum power output without unnecessary mass
• ArmorGlide coated skirt reduces friction, improves break-in, and extends piston and cylinder life
• Designed to withstand the extreme heat, pressure, and RPM demands of high-performance 2-stroke motorsport applications

Kit Includes:

• Wiseco forged piston (56.00mm bore)
• Top-end gasket kit
• All required circlips and wrist pin

Technical Specifications:

• Bore Size: 56.00mm
• Engine Type: 2-Stroke
• Skirt Coating: ArmorGlide
• Fitment: KTM 125 SX (2007–2014), KTM 125 EXC (2009–2014), Husaberg TE125 (2012–2013)

Note: Cylinder sleeving or replating is required when installing oversize pistons. Wiseco's in-house dyno testing and continuous R&D ensure this piston meets the demands of competitive racing and aggressive trail riding.