Wiseco 617M06640 Pro-Lite Piston Kit 66.40mm 2-Stroke Dirt Bike

The Wiseco 617M06640 Pro-Lite Piston Kit delivers race-proven performance for 2-stroke off-road motorcycles with a standard 66.40mm bore. Forged from high silicone aerospace quality aluminum alloy, this piston offers superior strength, reduced weight, and improved heat transfer for optimal engine performance and longevity.

Key Features:

• CNC machined for high precision and tight tolerances
• Optimized piston shape and profile for top performance
• Computer engineered piston skirt profiles, providing minimal cylinder wall friction
• Low expansion aluminum offers superior strength, reduced weight, improved heat transfer, and longer life
• Complete kit includes piston rings, piston pin, and circlips

Wiseco Pro-Lite pistons are designed with over 70 years of racing experience to provide maximum durability and performance in all riding conditions. The forging process creates a dense, high-strength piston that resists impact and fatigue better than cast alternatives, making it ideal for both competitive racing and recreational riding.