Edelbrock socket-head pipe plug kit provides a set of eight NPT plugs in common sizes to close unused ports in intakes, nitrous systems, or other plumbing. The kit includes two each of 1/8", 1/4", 3/8" and 1/2" NPT plugs in a finished socket-head style, sold as part #8052. Use these plugs wherever threaded NPT openings must be sealed or capped for a clean install.
Edelbrock Fittings Pipe Plug Kit Internal Allen Head 1/8In 1/4In 3/8In 1/2In NPT Set of 8