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 SHOULD ALWAYS BE INSTALLED TOWARDS THE BOTTOM
- NON-PROGRESSIVE SPRINGS ARE PAINT MARKED AND SHOULD BE INSTALLED TOWARDS THE TOP
SEATS & RETAINERS:
- MADE FROM 4041 STEEL (SELECT APPLICATIONS USE 7075-T6 ALUMINUM)
- DESIGNED TO WORK WITH PSYCHIC STAINLESS STEEL VALVES AND SPRINGS

Inlet Valve Kit Psychic MX includes 2 valves, 2 Springs, Retainers & Seats Yamaha YZ450F 14-17