Wiseco Pro-Lite Piston Kit | 66.40mm | '99-24 Yamaha YZ250/YZ250X (804M06640)

• Dedicated forging
• Race proven designs
• CNC machined
• One or Two High-Performance Rings depending on your vehicle
• Highest quality, alloy pin
• Superior strength/weight ratio utilizing Aerospace alloy
• Extended life and sustained power
• Chosen by top race teams, in all forms of racing

Kit Includes:

• Piston
• Rings
• Circlips
• Wrist Pin

Note: Cylinder sleeving and/or bore and renickasil required for oversizes.