PISTON KIT 02-25 YZ250 66.40, WISECO 808M06640 YAMAHA, Racers Choice, 250cc 1-Ring

Wiseco GP-Style Piston Assembly - 808M06640

Engineered for the rigorous demands of Grand Prix racing, this Wiseco piston assembly offers superior performance and durability. Its design focuses on enhancing power output and withstanding extreme operating conditions commonly found in competitive motorsport.

Key Features:

• GP-Style Piston Assembly designed for high-performance applications.
• Thicker dome construction compared to standard Pro-Lite pistons for increased strength.
• Centerline pinning for optimized performance.
• No intake window for enhanced compression and durability.
• Electra coating for improved wear resistance and reduced friction.
• Single-ring design for reduced drag and increased responsiveness.
• No engine modification is required for installation.

Included Components:

• One 66.4mm Piston
• One 2614CS Ring
• Two CW18 Circlips
• One S508 Wrist Pin

Important Note: This piston kit is sold by application and bore size. Please ensure you are ordering the correct standard or oversized bore diameter to match your engine's requirements. For assistance, please contact Technical Service.