Hepolite Triumph 650/750 valve spring set 1963-up

Replace 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.