12 Degree Carburetor Wedge Kit | Holley 717-2 12 degree wedge plate is designed to allow marine square bore carburetors to sit level on inboard marine engines. Holley wedge plate 12 degree Cast aluminum Allows carburetor to sit level on angled engine installations Includes gaskets, studs and nuts Carburetor wedge plate used with marine engines to maintain proper angle of carburetor for optimum performance