Assures easy assembly with Russell ProFlex or ProRace Hoses for a balanced and trouble free assembly. Valved fittings prevent fluid loss from the system when disconnected with minimal flow restriction. Allows you to quickly disconnect your lines for clean and easy tuning at the track. Fitting size is -6 AN. Maximum operating pressure is 200 PSI and temperature is 0-350 degrees Fahrenheit. SK's pipe plug sockets are ideal for the removal of manual transmission, transfer case, engine oil pan, differential housing drain, fill plugs and various other applications for both foreign and domestic vehicles. These plugs are moulded of special NR-SBR rubber, reinforced with Kevlar® tire cording. All plugs are test-designed at three times their working pressure (required inflation pressure) to ensure durability and safety.

The Edelbrock/Russell Valved Qwik Release Male Pipe Plugs are designed for quick installation or removal, without tools. Their design ensures precise attachment eliminating the possibility of leaks from loose or over-tightened hose ends.
3/8" Series Male Pipe Thread Plugs - * Working pressure 300 PSI * It is customary to refer to couplers of certain basic body sizes and flow capacity as 1/4", 3/8", or 1/2" series couplers. The Pipe Plug is a patented polyethylene plug used to keep all types of pipe clean. If you need to keep your pipe free of water, sand, mud, animals, or just about anything else, this is the answer. It saves time and money and fits pipe from 6" to 60". It's THE PIPE PLUG, and it's made to fit your needs. All plugs are equipped with quick-connect couplings and nipples. Reinforcement sleeves available for heavy duty use.