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The Crawford Billet Power Blocks raise your intake manifold, lengthening the intake runners. This increases the volumetric efficiency of your manifold, which provides optimum air flow so that your engine receives as much air as your intake (OEM or aftermarket) can throw at it.
Street - Dirt - Race
Crawford Performance is your source for reliable Performance Products.
All components are made proudly here in the U.S.A.
Call Us at 855-67-SUBIE (78243)