Wiseco 339M05700 Piston Kit Bore Oversize - 57.00mm 1.00mm

The Wiseco 339M05700 is a high-performance forged piston kit featuring a 57.00mm bore size with a +1.00mm oversize specification, engineered for vintage Honda 125cc two-stroke motorcycles. This complete piston kit delivers the strength and precision Wiseco is known for in the powersports industry.

Key Features:

• Forged from high-silicon, low-expansion aluminum alloy for superior strength and heat dissipation
• CNC diamond-turned finish ensures consistent dimensions and optimal cylinder wall compatibility
• Compatible with cast iron, chrome, Nikasil, and boron composite cylinder bore compositions
• Includes 2244CD piston rings and circlips for complete installation
• Uses CW14 wrist pin (not included unless noted)

What's Included:

• One forged piston
• Piston rings (2244CD)
• Circlips
• Wrist pin (except when noted)

This oversize piston allows you to rebuild worn cylinders and extend engine life. Wiseco's precision manufacturing ensures reliable performance for both racers and recreational riders restoring classic Honda two-stroke machines.