Triumph 650 750 HT Steel Racing valve spring kit engine size:650 These pistons are manufactured by

These pistons are manufactured by JCC and the rings are exclusively made in England for Hepolite

including T140 Bonneville

and 750 valves and retainers

57-0023 KICKSTARTER SPINDLE BUSHING x1

Triumph 650 750 HT Steel Racing valve spring kit engine size:650 These pistons are manufactured byThis spring kit for Triumph 650 or 750 twins uses specially designed lightened heat treated steel retainers. It includes 4 inner and outer chrome silicon springs, 4 HT steel retainers, and 4 heat treated steel basewashers. The top retainer in these kits have a 25% weight reduction over OEM, allowing a lower cost over titanium retainers. This kit does not include keepers but is designed to use stock keepers. Camshafts with up to . 400" lift at the cam