The 1.9:1 high-ratio LS1-LS2 roller rockers are designed for fitment with the standard cam. This product is not recommended to be used with any aftermarket performance cams.
Does 1.9:1 high ratio LS1-LS2 roller rockers fit and work properly and have enough pistons to valve clearance if they are running on a bigger cam? If they do fit what is the biggest cam available?
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