The Russell 3/8 in Allen-socket pipe plug in Endura finish is a precision internal-wrenching NPT plug made from 6061-T6 aluminum. Sold as a pair, it offers a positive seal at maximum operating pressures and allows you to close off unused pipe-thread ports on oil pumps, fuel pumps and filters. The Endura finish provides a bright, durable look to match other Russell components.
Russell Performance 3/8in Allen Socket Pipe Plug (Endura)