Extra parts required to Convert from a 4 speed to a 5 speed T150 only. This is in addition to the main FIVESPEED gearbox

Extra parts required to Convert from from a 4speed to a 5 speed T150 only.

All the extra parts needed (in addition to part no. "FIVESPEED")  to convert your 4 speed T150 to a 5 speed

Includes a new high gear bearing (not shown)

Please note - Gaskets and a 5 speed gearbox drive sprocket are not included.

https://www.triumph-spares.co.uk/complete-5-speed-gearbox-assembly-t140-t150-t160