Distributor Shaft O-Ring O-ring that seals the distributor shaft to the cylinder head. Keeps oil from leaking out and debris from getting in and contaminating the oil system. Contact our Tech Support Line for further information at 928-575-2174...

Vacuum Advance Plug (Distributor) When removing the vacuum advance on your factory distributor, this plug will keep foreign debris from entering the hole and causing problems. Only for a Distributor with the vacuum advance removed, as in a race engine...