Triumph Twins / Triples Gearbox Drain & Level Plugs (1) - Choose Plug Type / Application Part # - Application - Thread Pitch:57-1112 / T1112 - (1961-68 - 500 / 650) - 16 TPI M Part number is 70-7203

M Part number is 70-7203 or E7203

T4363 and 57-4363

6T & Thunderbird

Great for many Triumph & BSA singles and twins from the A50

M Part number is 60-4125

Triumph Twins / Triples Gearbox Drain & Level Plugs (1) - Choose Plug Type / Application Part # - Application - Thread Pitch:57-1112 / T1112 - (1961-68 - 500 / 650) - 16 TPI M Part number is 70-7203New Triumph twins triples gear box drain & level plugs. Over the years Triumph offered different plugs ranging in different part #'s and specifications. Today we offer 3 variations all stocked under the original Triumph part numbers.. All transmission level plugs are made and imported from England. Designed to fit a wide range of both Triumph twins and triples (T120, TR6, T150, T100, etc) from approx 1961 1982. I recommend that you check your parts