COOLERS & DUCTS. Intercooler upper bolt. Left.2013-16. Right.2013-16. A threaded rod with a drive head (such as hex, 12 point, torx, etc) on one end used to secure the Supercharger Intercooler to it's mounting point. Radiator Mount Bolt. Auxiliary Radiator. Bracket. Charge Air Cooler. HEX HEAD 6X20. Radiator Mount.