The GReddy replacement oil filter center bolt fits GREX block adapters and is specified with a 3/4-16 UNF thread. It serves as the replacement center bolt used with GREX-style oil filter block adapters and provides a direct-fit service part when the original center bolt is damaged or lost. Sold as the single replacement center bolt for GREX adapter applications.
GReddy Replacement Oil Filter Center Bolt For GREX Block Adapters 3/4-16UNF