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