Phenolic Carb Spacer for Holley 4500 Open 1in

Canton phenolic carburetor spacer for Holley 4500 carburetors, open design, 1in thick. Made from phenolic material to reduce heat transfer, designed to insulate the carburetor from manifold heat in street or racing applications. Improves air/fuel mixture by increasing plenum volume, ideal for drag racing or street-strip builds. Includes mounting hardware. Sold as each.