ADAPT Holley 2BBL to holley bolt pattern 4BBL intakes. Holley 2bbl Carb Adapter to Holley 4bbl Intake. Holley 2-Barrel to square bore. Carburetor Adapter, 1 in Thick, 2 Hole, Holley 2-Barrel to Square Bore, Hardware Included, Phenolic, Natural, Each.
