JEGS 5.0 EFI Phenolic Spacers

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Molded from phenolic material for superior heat insulation properties between the lower intake manifold and upper plenum for more power. 1/2" thick design allows the use of tall non-EFI style valve covers for roller rockers or stud girdles. Includes EGR provision, bolts, upper to lower intake and throttle body gaskets. Be sure to check your hood clearance if utilizing the stock hood.