Inlet Valve Kit Incl 2 Valves, 2 Springs, Retainers & Seats Yamaha Yz450F 10-13 k14350bla3xl Holley's 0-8007 is calibrated and

Holley's 0-8007 is calibrated and intended for small V8s or 6 cylinder engines as well as 2x4 street tunnel ram style set ups

Thread Size M10 x 1

Brand Hooker

High tensile steels and other difficult materials

and come in two different sizes to fit your vehicle’s special needs

Inlet Valve Kit Incl 2 Valves, 2 Springs, Retainers & Seats Yamaha Yz450F 10-13 k14350bla3xl Holley's 0-8007 is calibrated andKIT FEATURES: ALL KITS SOLD W VALVE, SPRING, RETAINER, SEAT TO DO COMPLETE REPLACEMENT OF EITHER INTAKE OR EXHAUST SIDE ALL COMPONENTS ARE MANUFACTURED UNDER ISO 9001 CERTIFIED FACTORIES NITRIDE COATED COMPONENTS TO IMPROVE HEAT TRANSER & CARBON BUILD UP FOR INCREASED VALVE TRAIN LIFE VALVE FEATURES: FORGED ONE PIECE CONSTRUCTION TO HELP W WEIGHT REDUCTION & IMPROVED FLOW PERFORMANCE VALVES RECEIVE A SWIRL POLISH, SMOOTH STEM TREATMENT, AND ARE MADE