Earl's new premium quality UltraPRO oil coolers are ideal for all high performance applications. These aluminum stacked plate style coolers are made using state of the art brazing techniques for a durable and long lasting premium cooler that is highly efficient w/ minimal pressure drop. These coolers are available in 30 sizes for all applications (i.e..engine oil cooler, transmission cooler, power steering cooler,valve spring cooler, differential / gearbox cooler, etc.). Three fan pack style coolers are now also available w/ a premium cooling fan & shroud. These coolers feature -10 AN O-ring female ports and are used with special ORB cooler fittings (-6 AN, -8 AN,-10 AN, or -12 AN) and AN hose ends. Earls will also now stock coolers w/ -16 AN male flares brazed on the cooler for applications that require larger ports for additional oil flow.