Kibblewhite 60-61900 Performance Top End Rebuild Kit 0.415" Lift

The Kibblewhite 60-61900 KPMI Performance Piston and Spring Kit is a comprehensive top end rebuild solution designed for motocross bikes and quads. This complete conversion kit combines a race-quality piston assembly with premium stainless steel valves and high-performance dual spring components, all engineered to handle the extreme demands of performance riding while maintaining stock compression ratios.

Complete Kit Includes:

• 2618 alloy fully CNC machined race piston with performance skirt coating, rings, clips, and pin
• Complete top end gasket kit by Cometic
• KPMI stainless steel Black Diamond valves with stock head diameter (all valves included)
• Complete dual spring kit with high-performance titanium retainers rated for 0.415" lift

Key Features and Benefits:

• Cost-effective complete rebuild solution with all critical top end components in one package
• 2618 aluminum alloy piston construction provides optimal strength-to-weight ratio for racing applications
• KPMI high-performance valvetrain components deliver twice the service life of OEM parts
• Lightweight racing spring kit compatible with high-performance camshafts up to 0.415" lift
• Maintains stock compression ratios for reliable performance and broad fuel compatibility
• Specifically engineered for the rigorous performance demands of motocross applications

Important Installation Note: The piston assembly components (piston, rings, pin, and clips) are designed as an integrated system and must be used together. While the complete assembly serves as an OEM replacement, individual components are not interchangeable with OEM piston assembly parts.