INLET VALVE KIT PSYCHIC MX INCLUDES 2 VALVES, 2 SPRINGS, RETAINERS & SEATS KAWASAKI KX450F 09-15Kit features: All kits are 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 transfer and carbon build up for increased valve train life Valve features: Forged one piece construction to help with weight reduction and improved flow Performance valves receive a swirl polish, smooth stem treatment and