COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. This 503 seal has a .630" outer diameter and fits applications with 11/32" valves and .530" OD valve guides.
NOTE: Most cometic gaskets are made to order and usually have a 1-2 week lead time.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
