ARP has introduced a line of premium quality weld-in bungs.
ARP Weld Bungs are CNC machined from solid aluminum billet (6061)
or 1018 mild steel. Applications include, but are not limited to:
oil or fuel tanks, radiators, valve covers, manifolds, and rear axle
housings. Fittings are available with female pipe threads, male
AN, and female O-ring types. The fittings come in sizes: 1/4,
3/8, 1/2, 3/4, and 1 inch sizes; NPT -6 thru -20 AN; and -6 thru
-20 O-ring sizes.