OPL HPR155 Aluminum Radiator For Honda S2000 (Manual Transmission) Fits: 2000-2005 Honda S2000 (Manual Transmission) Inlet: 1.25" / Outlet: 1.25" / Rows: 2 Core Size: 25.5" x 14.75" x 2" / Overall Size: 26.5" x 20.25" x 4.25" OPL cooling technology provides up to 30% increase in engine cooling 10 year manufacturer warranty