The kits contain an 8" x 11" x 1-1/2" 20,500 BTU oil cooler with mounting hardware, a billet aluminum sandwich adapter that mounts between the engine and the spin-on filter, 10 feet of -10 AN stainless steel braided hose, and all of the necessary fittings. Oil coolers feature brazed aluminum construction and a high flow clog resistant design. Kits available for most popular applications. See our spin-on filter thread chart for the thread and O-Ring of your application to pick the right kit.