Genuine OEM Honda TRX450R Fully Race Ported Cylinder Head Fits Years 2004 & 2005 ONLY Features: Fully Ported For Maximum Flow & Performance Vapor Blasted Kibblewhite Dual Rate Race Springs Kit (Includes Titanium Retainers) Ferrea +1mm Larger 37mm Intake & 31mm Exhaust Valves Oversized Valves For More Flow Blue Viton Valve Stem Seals OEM Keepers FREE NGK IFR8H11 Plug Heavy Duty Exhaust Studs Ready to bolt on and go ride.
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