PRE-UNIT Triumph 500 650 Radial Starburst Valve Cover SET GOLD Triumph Drive but there is plenty of

but there is plenty of clearance and they look perfect once mounted

We have other clamps that can substitute

Norton's part numbers are 06-0768 and 06-1039

Replacement screens to suit the plastic OEM velocity stacks fitted to large Dellorto PHM/PHF carbs

Cast aluminum versions were originally fitted to the very first BSA A7 twin

PRE-UNIT Triumph 500 650 Radial Starburst Valve Cover SET GOLD Triumph Drive but there is plenty ofTriumph's part number for ORIGINAL valve cover nuts is 70 1564 or E1564. They CUSTOM pieces should fit all models of PRE UNIT 500 or 650 twin, to my knowledge. CEI thread, fits great, looks great. This listing is for a complete set of four nuts covers. Color gold.