Valve springs are confusing me
Is this the cam you are using? If so they recommend a Crane spring, although a fresh stock spring may work with that cam also?
Cam...
http://www.summitracing.com/parts/SUM-K6400/SuggestedParts/?prefilter=1
Spring...
http://www.summitracing.com/parts/CRN-99839-16/
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