Wiseco Pistons 614M06640 Pro-Lite 2-Stroke Piston Kit 66.40mm Standard Bore

The Wiseco 614M06640 is a Pro-Lite forged aluminum piston kit designed for 2-stroke dirt bike applications with a standard bore size of 66.40mm. Wiseco's Pro-Lite is the forged 2-stroke piston that started it all, incorporating decades of experience in 2-stroke piston manufacturing and design for all-purpose riding while offering great value, reliability, and performance.

Key Features:

• Forged from high silicon, low expansion aluminum alloy for superior strength, reduced weight, improved heat transfer, and longer service life
• Optimized forging for strength with extra lightening operations for enhanced throttle response
• Computer engineered piston skirt profile provides minimal cylinder wall friction
• Diamond turned finish from CNC computer controlled turning centers guarantees a perfect finish with no size variation
• Anti-detonation grooves and ring land diameter eliminate ring blow-by while maximizing performance
• Designed for Nikasil bore cylinders

What's Included:

• Piston, rings, wrist pin, and circlips
• Complete kit ready for installation

Each Wiseco Pro-Lite piston is built from race-proven designs chosen by top race teams in Supercross, Motocross, and GNCC racing. All Wiseco powersports piston kits are produced in the USA.