Motorcycle Cylinder head cover gasket for CRF250R 2004-2009 and CRF250X 2004-2015 models, compatible with OEM 12391-KRN-670.Constructed from stainless steel and fiber rubber sealing paper, this gasket provides sealing performance to help prevent fluid leaks and maintain engine integrity.The density rubber layer a secure fit and effective seal under operating conditions.Designed to endure temperatures up to 105℃, it supports consistent engine function during demanding use.This gasket meets ISO9001 standards for quality and is engineered for durability and proper fit on specified motorcycle models. Notice: This replacement item is produced by an independent supplier.All brand and model mentions are for compatibility purposes only.