Triumph 650 750 5 speed Gearbox high gear roller Bearing 60-4100Highest quality Hepolite high gear bearing, used in many 5 speed Triumph and BSA applications from 1972 1982. Part number 60 4100. This roller bearing has . 3125" rollers and is designed for use on 5th gears with a race width of . 318". (Will not work with the early 5 speed gears with a . 348" wide bearing race.) Please check before ordering. New bearings are essential for any Triumph gearbox rebuild. All of our bearings are in sealed factory

This head can be identified by having a bevelled edge leading into the combustion chamber

7615" or 69mm

Fits all Lucas stators numbered RM18 and above

both Pre Unit and Unit

Our oil seal kits come with a tube of P-80 Emulsion to make your job easier

at any cost

and 70-3615 or E3615 for 9:1 compression

These springs can also be used on all 650 heads provided the taller OEM basewashers are used ( Triumph p/n 70-6439)

this is best drilled after installation and before reaming or honing

2355" Available in standard and oversizes

Kibblewhite engineered and manufactures a complete 6mm valve conversion for Triumph 750 twin heads

that make it possible to grind a pre unit crank to unit 500 journal specs