This product is New – Exhaust Pipe Set 70-9363 70-9364 69-70 TR6 650 T120 Bonneville Triumph pipes / These push over a spigot that is in the head, If you have the type of head that uses the push in type, then we have adapters to use these pipes. These are UK Made quality pipe set.

The ID of this head pitting is 1 5/8″ / The od if the head fixture is 1 3/4″ so you need 1 3/4″ header clamps. The OD of the end pipe to muffler is 1 1/2″ so you need 1 1/2″ mufflers. the OD of the center of the pipe is 1 1/4″

These have crossover spigots, and the pipe and clamps are sold separate.

You can use these on the 750 T140 but you will need the push in adapters.