Triumph 650 & 750 Lightweight HT Steel Racing Spring Kit


This new racing spring kit from Kibblewhite has been carefully engineered to reduce weight of the HT steel retainer while providing ultimate strength and longevity. The Triumph Unit 650 kit will also work with all pre unit 650 heads. The 750 kit will work for all 1973-up heads and pre unit 500 heads. Both kits include 4 inner and outer chrome silicon springs, 4 heat treated lightened steel retainers, and 4 heat treated steel basewashers.
This kit is designed to use stock keepers but does not include keepers.
Seat pressure is 90# @ recommended installed height 1.305"-1.315". Seated spring pressure will depend on actual installed height. Maximum recommended valve lift is .460". These spring kit is excellent for any Triumph that will see some high RPM, or any aftermarket cam application.
Made in USA by Kibblewhite Presicion Machining Inc.