EMPI hex bar linkage for IDF or HPMX carburetors installed on Type 1 or Type 3 engines. This is the standard hex bar linkage that is included with many of the EMPI IDF carburetor kits. This is a great solution for damaged or worn out carburetor linkage assemblies. Kit comes complete with linkage base plates, hex bar, aircraft grade heim, coil relocation kit, gaskets and hardware.