JEGS Rams Horn Style Exhaust Manifolds are manufactured from nodular cast iron and finished with a polished chrome plating or a ceramic coating in black or silver. Going with a raw finish is also an option. Manifolds come complete with all mounting hardware and gaskets. Fits 1955 and up small block Chevy applications (except LT & LS engines). Provides optimal clearance for angle plug heads. Gasket & Hardware Kit available to replace broken or missing gaskets and hardware.