Wiseco PK1299 Pro-Lite 2-Stroke Piston Kit 50.00mm Bore for 1988-90 Kawasaki KX80

The Wiseco PK1299 Pro-Lite Piston Kit is a complete top-end piston kit purpose-built for the 1988–1990 Kawasaki KX80. Featuring a 50.00mm bore (2.00mm oversize / .080 over) with part number 644M05000, this kit delivers the proven forged performance that Wiseco has built its reputation on since 1941.

Pro-Lite Forged 2-Stroke Performance:

• Forged from high-silicon, low-expansion aerospace aluminum alloy for superior strength, reduced weight, improved heat transfer, and longer service life
• CNC machined for optimal cam shape and profile, delivering peak horsepower and extended service life
• Dedicated forging design optimizes the strength-to-weight ratio for this specific engine application
• Reinforced dome with waffle design for improved heat transfer and additional structural strength
• Tighter grain structure compared to cast pistons delivers superior resistance to impact, fatigue, and high-stress racing conditions
• Engineered, forged, and machined in the USA in Mentor, OH

Kit Includes:

• Pro-Lite forged piston (50.00mm bore)
• High-performance piston ring(s)
• Alloy wrist pin
• Circlips
• Top-end gasket kit

The PK1299 is a complete solution for your KX80 top-end rebuild, providing everything needed to restore performance with race-proven components. Wiseco's Pro-Lite line is trusted by top race teams across motocross, supercross, and GNCC competition.