Empi 9243 6 Pass Copper Tube Oil Cooler Core Only With 1/2" Barb Ends. Cooler Size: Length - 10" X Width - 7 1/2" X Height - 3/4" Overall Size: Length - 13" X Width - 7 1/2" X Height - 2 3/8" Inlet / Outlet: 1/2" Barbed Designed For Heavy Duty Applications Copper Tube 6 Pass Design Note: It Is Important Not To Over Tighten Or Put Excess Pressure On Cooler Tubes When Installing Hoses. Failure To Do So Will Result In Permanent Damage Voiding All Warranties.