I would have to say replacing the rubbers in a Triumph clutch hub center is probably one of the most feared and oft-neglected tasks of a British motorcycle owner

Parkerized duplicate of OEM# 62625-36A cap and gauge and OEM# 62628-36 gasket used on 1941-1964 Big Twins

which is 7/8"-20 UNEF

or chipped Triumph Oil Feed Rocker Box Nuts with these brand new Brass Acorn Nuts and pretty up that top end

Duplicate of the early style tapered head bolt washer

#MBHC-0802 6mm x 12mm Length Chrome Plated Button Head Allen Bolt - 10 Pack Bar Width_32+ inches I would have to sayColony Machine #MBHC 0802 6mm x 12mm Length Chrome Plated Button Head Allen Bolt. Size: 6mm x 12mm Bag of 10 pieces. Made in Ohio, USA.