i have a set of the patriot gold valve springs i think.? i bought them used about a year ago. they are single springs not dual springs. does patriot make a single spring? and if they do what lift are they good to?? im wanting to go to a 610 lift cam. any suggestion???
Jonathon

 

ttt anyone?

 

for .600+ lift personally I would go to a dual spring but that's me...other's will chime in

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