60-3556 mainshaft bearing 4 speedHigh gear mainshaft output ball bearing for 4 speed Triumph. original Triumph part number 60 3556 or 57 0448. This bearing is a deep groove single row, manufactured in China, but is a economical replacement for the out of production (and often expensive) RHP LJ31. 7=1 Supplied with one seal, to be installed outward, facing the sprocket.

The low gear bushing also needs to be sized after installation- this allows you to custom fit your bushings for an exact fit

440" exhaust

It includes the early style large O ring as well as the thin O ring used in later production

the basewasher is

and 4 inspection caps

For SAE 30 "Break-In Oil" see here

Copper washers (70-1335 or E1335)

THESE ARE ALSO CORRECT FOR MOST EARLY UNIT 650 HEADS UP TO 1966

two new springs

Made in Australia

less friction

Standard guides are