If you buy Delco-Remy parts at your FLAPS, check the box over carefully with a strong magnifying glass!
New old stock from a quality vendor would be my suggestion on ignition parts.
Jon
Good carburetion is fuelish hot air The most expensive carburetor is the wrong one you attempt to modify. If you truly believe "one size fits all," try walking a mile in your spouse's shoes! The Carburetor Shop