Product Description
S&S Billet Rocker Box Replacement O-Rings S&S Replacement O-Ring fits S&S billet rocker boxes and restores a proper seal where the original O-ring has worn or failed. It is a direct replacement part made to service compatible rocker box assemblies. Features: Viton style O-ring 1mm CS x 11mm ID For 1966-1984 Big Twin engines 10 pack