VALVE KIT EXHAUST WR450F 03-15, PSYCHIC XU-09521EK

Part No. 65-K238.EX.PS (phoenixmotos.com)
YAMAHA WR450F WRF450 2003-2015,
VALVE KIT EXHAUST PSYCHIC XU-09521EK.
KIT FEATURES: - ALL KITS SOLD WITH 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 WITH WEIGHT REDUCTION & IMPROVED FLOW

- PERFORMANCE VALVES RECEIVE A SWIRL POLISH, SMOOTH STEM TREATMENT, AND ARE MADE OF 21-2N/SUH35HT STAINLESS STEEL SPRING FEATURES: - SPRINGS ARE MADE OF SWOSC-V MATERIAL (OIL- TEMPERED STEEL WIRE) - SOME SPRINGS FEARTURE A PROGRESSIVE STYLE DESIGN WITH MORE COILS ON ONE END OF THE SPRING - PROGRESSIVE SPRINGS ARE HEAVIER ON ONE END AND