For KLX400R 2003-2004 KLX400SR 03-04 KFX400 KSF400 03-06 Cylinder Head Gasket Cylinder head gasket designed to fit KLX400R models from 2003 to 2004, KLX400SR models from 2003 to 2004, KFX400, and KSF400 models from 2003 to 2006.Constructed with materials suitable for engine sealing applications, this gasket helps maintain compression and prevent fluid leaks.The design supports engine performance under typical operating conditions.The gasket is built to match the dimensional specifications of the component, with an external diameter, height, and length each measuring 15 cm.It features compatibility with 4-cylinder engines and a displacement of 400cc.Certified under ISO9000 standards, the part is manufactured to align with established quality requirements.This replacement gasket serves as a functional accessory for engine maintenance, supporting proper sealing between the cylinder head and engine block.It is recommended to verify fitment with your specific model before installation.This is not an OEM product.Brand/model references are included solely to assist with compatibility identification.