Inlet Valve Kit Incl 2 Valves, 2 Springs, Retainers & Seats Yamaha Yz450F 10-13 4024360 tall from engine to top

tall from engine to top of distributor cap and 4

ABS resin body is highly resistant to oil

Dual Pump Control for effective speed control

Hardened to 53-55 HRc

* Capacity 20 to 100mm

Inlet Valve Kit Incl 2 Valves, 2 Springs, Retainers & Seats Yamaha Yz450F 10-13 4024360 tall from engine to topKIT 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