VALVE EXHAUST CRF450R 13-23, PSY XU-09546E, 14721-MEN-A70PSYCHIC Exhaust Valve XU 09546E SIZE: 30. 95x4. 89x80. 5mm Features a forged one piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. This provides reduced friction for quicker higher revs and a longer valve life. Replaces OEM# 14721 MEN A70 Sold each Application: HONDA CRF 450 R 2013 2023

apply copper grease to the threads

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