James Gasket Derby/Inspection Cover Seal Kit JGI-25416-99-KT Latest additions to our line of high-quality Genuine James gaskets, seals and O-rings Cover seals are a seal, not a gasket Cover seals are molded rubber, beaded oil seals with metal inserts and work with all inspection and derby covers; fit billet, stamped or cast covers Made in the USA Replacement OEM #25416-99-KT