Our most efficient heat exchanger, the all aluminum 40 row Stacked Plate cooler features sturdy furnace brazed construction, full 2" deep turbulator-equipped plates and a black powder coat finish. With minimal pressure drop it can be used for engine, transmission or fuel cooling. Includes aluminum -6AN male adapter fittings. Designed for engine and transmission cooling. Most efficient heat exchangers available. Furnace brazed aluminum construction with 4 integrated mounting brackets. 40 row cooler design. Male -6AN aluminum O-ring inlet fittings, 90 deg. swivel. 67,000 BTU's Per Hour. 26oz additional fluid capacity. Cooler style: Stack Plate Construction: Aluminum Inlet size: -10AN o-ring female x -10AN male Width: 13" Height: 13-11/16" Depth: 2" Inlet dim: 10" Mounting: 12-1/4" x 12" 67,000 BTU's Per Hour