Plenum O-Ring Cord, Chevy, Small Block LS, Holley Hi-Ram, Each Holley offers all of the components that you need to service your intake manifold. Their plenum O-ring cords are constructed from top-quality Viton???›?�? and allow you to cut and glue the O-ring size you need. Holley Intake Manifold Service Parts, Gasket Kit, Hi-Ram Plenum O-Ring Cord, Part #508-21. Tick Performance is proud to be a warehouse distributor for the entire Holley product line. If you don't see what you're looking for here, please contact our friendly sales staff either by phone or email for assistance!
All warranty questions, claims or otherwise should be directed toward the manufacturer
