Wiseco Performance Oversied Piston Kit

Part Number : 560M06900

• These kits contain everything you need to complete your piston repair, the first time
• High Performance ring kit and alloy pin included with each piston kit for extended life and sustained power.
• Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy.
• All Piston Kits are precision crafted and forged in the USA

Wiseco's Piston Kits are offered for nearly every popular application in the powersports market. These kits contain everything you need to complete your piston repair, the first time. High quality parts specifically chosen by us to match our forged pistons are included in this kit for easy one stop shopping. 2-stroke kits feature our Pro-Lite pistons, CNC-machined for optimal cam shape and profile, delivering peak HP and service life. 4-stroke kits feature a race-ready dome finish with smooth edges for improved combustion flow. Horizontal slot-pin oiling reduces friction and provides scuff resistance, along with a pressure seal groove for maximum ring seal. 4-stroke race applications feature Wiseco's Armor Glide skirt coating to reduce friction and noise, contributing to increased horsepower. Each piston is built from race-proven designs that are chosen by the top race teams in all forms of racing, including Supercross, Motocross, GNCC, Superbike, and more.

Fits : 1983-87 Yamaha YZ250

Specs :

• Displacement : 251cc
• Bore-Standard : 68.00mm
• Bore-Actual : 69.00mm
• Bore-Oversize : 1.00mm
• Stroke : 68.00mm