British Standard Pipe Thread (BSPT) hex socket oil gallery plug set for Triumph 6-cylinder blocks.
1 – ⅜ BSPT Plug
1 – ¼ BSPT Plug
5 – ⅛ BSPT Plug
This kit does not include the two straight thread, peened in aluminum plugs in the front of the oil gallery and directly above the oil filter.