Wiseco 2358M06650 Pro-Lite Forged Piston Kit Bore - 2-Stroke 66.50mm

The Wiseco 2358M06650 Pro-Lite 2-Stroke Piston Kit features a 66.50mm bore and is the forged 2-stroke piston that built Wiseco's legendary reputation in the powersports industry. Engineered, forged, and machined in the USA in Mentor, OH, this kit delivers the ideal balance of performance, reliability, and value for all-purpose 2-stroke riding — from trail rides to the track.

Key Features:

• Forged aerospace alloy construction for a superior strength-to-weight ratio
• Dedicated forging design optimized for strength-to-weight performance
• CNC machined for optimal cam shape and profile for peak power and long service life
• Extra lightening operations for enhanced throttle response
• Computer-engineered piston skirt profile minimizes cylinder wall friction
• Anti-detonation grooves and ring land diameter eliminate ring blow-by while maximizing performance
• Horizontal slot-pin oiling reduces friction and provides scuff resistance with a pressure-seal groove for maximum ring seal
• Race-proven designs trusted by top race teams in Supercross, Motocross, and GNCC

Kit Includes:

• Forged Pro-Lite piston
• High-performance piston rings
• Precision alloy wrist pin
• Circlips

Important Note: This is an oversize piston at +0.060" (1.50mm) over stock bore. Cylinder boring or re-sleeving is required prior to installation. Always verify bore size before ordering.