Mishimoto MMRAD-DATS-70 Datsun 240Z Performance Aluminum Radiator, 1970-1973, Silver Direct fit for the 19701973 Datsun 240Z and 19741975 Datsun 260Z Overall Size: 27.3 x 19.16 x 6.2 / Core Size: 23.15 x 13.58 / Rows: 2 Inlet & Outlet: 1.38 / Core Thickness: 1.65 / Tank Wall Thickness: 0.08 All-aluminum construction includes high-pressure rad cap and magnetic drain plug Mishimoto Lifetime Warranty