OPL HPR156 Aluminum Radiator For Honda Civic & CRX (Manual Transmission) Fits: 1988-1991 Honda Civic & CRX (Manual Transmission) Inlet: 1" / Outlet: 1" / Rows: 2 Core Size: 25.5" x 13" x 2" / Overall Size: 27.25" x 17.75" x 4" OPL cooling technology provides up to 30% increase in engine cooling 10 year manufacturer warranty