The FLUIDYNE all-aluminum, furnace-brazed line of engine-oil coolers incorporates extruded oval tubes and patented lanced-offset oil flow turbulators to create the most efficient coolers "pound-for-pound" in the market today. Offered in both single-pass and two-pass circuitry, the NOCOLOK brazed construction of the FLUIDYNE Air-to-Oil Coolers was subjected to more than 100, 000 hot-oil, high-pressure cycles without failure before the designs were validated. With this performance and durability, it's no wonder FLUIDYNE's Air-to-Oil Oval Tube Engine Oil Coolers are chosen by top racing teams from Cup to LeMans. Now available in dimensions of the most popular cooler sizes, FLUIDYNE's Air-to-Oil Coolers are a must for every serious racer. For performance, reliability and durability, nothing beats a FLUIDYNE cooler!Pit Stop USA offers Fluidyne Therm-HX™ Engine Oil Cooler - 14.75" x 9.25" x 2.5" 30617 at low everyday prices. Be sure to check out all of our products from Fluidyne including Fluidyne Oil Coolers.