This twist style linkage is for dual carb kits like HPMX, EPC-34, EPC-48/51 and Weber IDA/ICT/IDF carb kits. Also fits Dellorto, Kardron, Brosol and Solex carb kits. It features the best and strongest combination of components. A billet aluminum center stand, 5/16" steel pivot bolt, steel linkage pivot, 3/8" aluminum linkage rods with adjustable heim joints and 2 sets of stamped steel carburetor linkage arms to accommodate most carbs. Rods may need to be cut to fit certain carb setups.