1/8", 1/4", 3/8" or 1/2" NPT pipe plug with allen head. In Brass or Stainless steel. These plugs can be used fro many applications on oil and fuel systems.
*This plug can be used for replacing the oil passage taper plug on "L" series engines that is pressed into the block. Thread taping of the holes is required. Choose from SS or brass.
1/8" NPT= .385" OD Threads
1/4" NPT = .540" OD threads
3/8" NPT= .680" OD threads
1/2" NPT= .840" OD threads