Featuring a free-flowing 16 pass cooler with embossed turbulators inside 1/2 inch copper tubing and aluminum cooling fins, this Made in the USA cooler comes complete with -6AN inlet and outlet and -6AN x 3/8 inch brass hose barbs. It provides heat transfer capabilities that competitive units just can feett match at anywhere near the price. This cooler core is also used on our popular Electra Cool Remote cooler.