80mm Big Bore Top End Cylinder Rebuild Kit Piston Ring Camshaft Rocker Arm for Honda TRX300EX TRX 300EX Sportrax 300 1993-2008

80mm Big Bore Top End Cylinder Rebuild Kit Piston Ring Cam and Rocker Arm for Honda TRX300EX TRX 300EX Sportrax 300 1993-2008

• Compatible with Honda TRX300EX (1993–2008), TRX300X (2009), and FourTrax 300 (1999)‌
• This 80mm big-bore top-end rebuild kit is a direct replacement for OEM part numbers 12100-HM3-L00 and 12100-HM3-670, ensuring perfect fitment and reliable performance across your model year.
• ‌All Critical Components Included‌ — One full top-end assembly: 1x cylinder, 1x piston kit, 1x ring set, 1x spark plug, 3x high-temp gaskets, 2 x Gloves, 1x camshaft (14431-HC0-000), and 1x rocker arm (14441-HC0-000 & 14100-HC0-010). No missing parts — ready for installation.
• ‌Engineered for Durability and Heat Resistance‌ — Anodized piston dome and performance-grade gaskets ensure superior heat dissipation and sealing under high-compression conditions, reducing blow-by and extending engine life in demanding off-road environments.
• ‌OEM-Quality Fit and Easy Installation‌ — Designed as a bolt-on replacement with exact dimensional tolerances matching factory specifications. Professional installation recommended, but no machining or modification required for standard rebuilds.