Hepolite Triumph 650/750 valve spring set 1963-upReplace your weak valve springs with this high quality English made set and get your power back! Springs become weaker over time and can be a limiting factor in engine rpm and stability. Replaces Triumph part number 99 7037 and includes 4 outer springs, and 4 inner springs. Will work for all Triumph 650 engines and most 750 twins. Uses stock retainers.

and installs at 90# seat pressure at 1

Amal Aluminium Premier carbs have a forged hard anodized aluminum slide

1 INSPECTION PLUG O RING ( 70-7563 OR E7563 )

(70-2897 also interchanges BSA 68-0625)

If you need to change jets

If you are building a Triumph 650 pre unit or early unit twin or need to rebuild a head

and is designed for a threaded terminal spark plug

It is easiest to torque the rod and replace bolts one at a time to maintain rod cap alignment

600" 6mm stem intake valves

The exhaust pushrods replace Norton part number 06-7941

The guides are machined for the included seals and do not need any additional machining for valve clearance

Say goodbye to sloppy slides and erratic idle