Inlet Valve Kit Incl 2 Valves, 2 Springs, Retainers & Seats Yamaha Yz450F 10-13 k14350bla3xl Spring-Loaded: No

Spring-Loaded: No

2x 14mm Hex Shank Hexagon Insert Bits (L=30mm)

with more torque and higher wear resistance than standard steel

or moving engines

Thread Size M10 x 1

Inlet Valve Kit Incl 2 Valves, 2 Springs, Retainers & Seats Yamaha Yz450F 10-13 k14350bla3xl Spring-Loaded: NoKIT 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