Wiseco PK1551 Pro-Lite Top End Piston Kit - 66.4mm 2-Stroke

The Wiseco PK1551 is a complete Pro-Lite Top End Piston Kit designed for 2-stroke powersports engines with a 66.4mm (756M) bore size. This all-inclusive rebuild kit provides everything needed to complete a top end overhaul or overbore in a single purchase, ensuring proper fitment and performance from day one.

Wiseco's Pro-Lite pistons are CNC machined for optimal cam shape and profile, delivering peak horsepower and extended service life. Each piston is forged from high-strength aerospace aluminum alloy using Wiseco's state-of-the-art forging presses, providing a superior strength-to-weight ratio trusted by top race teams across motocross, supercross, and GNCC competition.

Kit Includes:

• Wiseco Pro-Lite forged piston (66.4mm / 756M bore)
• High-performance piston ring(s)
• Alloy wrist pin
• Circlips
• Top end gasket set

Key Features:

• Forged from aerospace-grade aluminum alloy for superior strength and durability
• CNC machined to tight tolerances for optimized fit and combustion efficiency
• High-performance ring kit matched specifically to the Wiseco forged piston
• Precision wrist pin engineered for strength and reliable alignment
• Secure circlips for confident, long-lasting assembly
• All components precision crafted and forged in the USA

The Wiseco PK1551 is the go-to choice for riders and mechanics looking to restore or upgrade their 2-stroke top end with race-proven components. Note: Cylinder boring or re-plating to the appropriate oversize may be required depending on current cylinder condition.