performance 75 lb. valve springs (custom made for us)
Jim wasn't happy with the valve springs available on the market, so he designed these from scratch and had them custom made exclusive for us. These aren't an "off -the-shelf" spring from a different vehicle, he had them custom made to our specs. Can be used from stock applications all the way up to a .500 lift performance cam. See our performance dual spring kit below if you need to go bigger.
These are used on all of our stock and performance cylinder heads and our Stage 1, Stage 2 and Stage 2 PLUS rebuilt engines.
*we recommend our chro-moly retainers along with these springs*