Phenolic Carb Spacer for Holley 4150/4160 4-Hole 1/4in

Canton phenolic carburetor spacer for Holley 4150/4160 carburetors, 4-hole design, 1/4in 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.