1968-1979 Chevrolet Nova Aluminum Performance Radiator. MT Transmission. Big Block version. Comes without brackets. For bracket version, see CHC11. These COLD-CASE radiators are Tig welded 100 percent aluminum and absolutely beautiful. Don't buy a 3 or 4 row aluminum radiator! It doesn't cool as good as these oversize 2 row models. These radiators are original appearing and have the correct stamping. Once painted, you'd be hard pressed to find a difference over an original versus a COLD-CASE. 100 percent TIG welded All Aluminum Polished OE style tanks (2) 1.25 inch Tubes 16 fins per inch Corrugated fins that give more surface area and more thermal transfer Pressure tested For Manual transmission Direct fitment for 68-79 Nova w/ Big Block Old Part Number: RPE548ATF Radiator Specs Core Height 16.85 inch Core Width 23 inch Overall Height 19 inch Overall Width 28.35 inch Overall Thickness 3 inch Tubes (2) 1.25 inch Tubes Upper Hose 1.50 inch Lower Hose 1.77 inch