CRF250R 2008-2009. CRF250R 2004-2007. - NITRIDE COATED COMPONENTS TO IMPROVE HEAT TRANSER & CARBON BUILD-UP FOR INCREASED VALVE TRAIN LIFE. VALVE FEATURES KIT FEATURES - SPRINGS ARE MADE OF SWOSC-V MATERIAL (OIL- TEMPERED STEEL WIRE).
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VALVE KIT INTAKE KXF/RMZ250, PSYCHIC XU-09509IK 04-06
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