80mm Big Bore Top End Cylinder Rebuild Kit Piston Ring Compatible with Honda TRX300EX TRX 300EX Sportrax 300 1993-2008

80mm Big Bore Top End Cylinder Rebuild Kit Piston Ring Compatible with Honda TRX300EX TRX 300EX Sportrax 300 1993-2008

• 80mm Big Bore Cylinder & Piston Kit‌ – Direct replacement for Honda TRX300EX (1993–2008), TRX300X (2009), and FourTrax 300 (1999), featuring a high-strength cast aluminum cylinder with cast iron sleeve for enhanced durability and heat dissipation.
• ‌Complete Pre-Matched Top-End Rebuild Package‌ – Includes everything needed for a professional-grade rebuild: 1x 80mm cylinder, 1x piston, 1x piston ring set, 1x spark plug, and 3x high-performance gaskets . All components are precision-matched for seamless installation.
• Hassle-Free Installation‌ – No machining or modifications required. Designed as a direct OEM replacement with exact fitment to original part numbers: 12100-HM3-L00 and 12100-HM3-670. Ideal for DIY enthusiasts and professional mechanics seeking reliable performance without guesswork.
• ‌Performance-Optimized for Increased Power & Efficiency‌ – The high-silicone cast piston and anodized dome improve combustion efficiency, reduce friction, and extend component life. Delivers stronger low-to-mid RPM torque, smoother throttle response, and improved engine output for trail riding and racing applications.
• ‌Ready-to-Use with Protective Gloves Included‌ – Comes with 2 pairs of disposable mechanic gloves for clean, safe handling during installation. All parts are individually packaged and pre-organized to minimize confusion and maximize workflow efficiency. A complete, no-miss solution for top-end overhauls.