80-81900 Top End Service Kit SS Valve Conversion W/Springs

Elevate your performance with the 80-81900 Top End Service Kit, specifically engineered for the rigorous demands of racing MX bikes and quads. This comprehensive kit not only enhances durability but also ensures optimal performance, making it a must-have for any serious racer.

Key Features:

• Advanced Piston Design: Features a domed piston deck that maintains high compression while offsetting volume changes caused by valve dishes.
• Durable Black Diamond™ Stainless Steel Valves: These valves provide up to double the lifespan compared to stock titanium valves without sacrificing performance.
• Precision Engineering: Constructed from 2618 alloy, the fully CNC machined piston is complemented by a performance skirt coating for enhanced efficiency.
• Lightweight Racing Spring Kit: Designed for compatibility with high-performance cams, maximizing your engine's output.
• Complete Rebuild Package: Includes all gaskets, rings, pins, and seals necessary for a top-end rebuild, ensuring you have everything you need.
• Top-End Gasket Kit by Cometic: Ensures a secure and reliable seal for your engine.
• KPMI® S.S. Black Diamond™ Valves: Stock head diameter for easy fitment.
• Dual Spring Titanium Retainer Spring Kit: Facilitates valve lifts of 0.440” for both intake and exhaust, enhancing airflow and performance.

Upgrade your vehicle with the 80-81900 Top End Service Kit and experience the difference in durability and performance that comes from top-quality materials and precision engineering. Whether you're hitting the track or the trails, this kit is designed to give you the competitive edge you need.