Triumph Unit 500/350 tappet adjuster set Triumph 750 The needle bearings will replace

The needle bearings will replace the bushings with no modification

This Hepolite kit includes everything you need to take your 750 cylinder to the next size

This top has no thread for the throttle cable but the choke hole is threaded to accept  4/137A blanking plug

4 Viton pushrod tube O Rings   ( 71-1283 or E11283 )

and 689 series monobloc carbs

Triumph Unit 500/350 tappet adjuster set Triumph 750 The needle bearings will replaceReplace your worn out valve adjusters with this set of English made tappet adjusters. Unlike most on the market today, these are heat treated on the face only, (not induction hardened which leaves the first few threads hardened also). They are copper plated, as the copper plating protects the threads from embrittlement during heat treatment. They have a 2. 5mm allen hex to adjust, and are supplied in sets with nuts. The 26 tpi CEI thread will fit all