All Aluminum 3 row. Check core dimensions and hose position prior to purchase. This item was generally made for the Big Block engines (wider radiator)<br><br>This is designed to fit the 73-74 Charger models with the 27 5/8 wide core material (fin area). We've moved the top hose over to the passenger side to accommodate this also working for the 75-78 models with 6.6 big block as a multi fit.<br><br>The core of a radiator is the FIN area in the middle. You'll tape measure across this area to be sure you have over 27 inches. If you have a 26 inch core, see other items online. Not interchangeable with any other size radiator. <br><br>Core Dimensions: 18 3/4 x 27 5/8<br>Overall Dimensions: 24 1/8 x 31 -<br> including Cap and Bracketing<br>Hose Locations: In - Offset Driver, Out - Passenger<br>Core Thickness: 1-3/4<br>Tanks: 2-3/4 Rows: 2<br>Tank Construction: Aluminum<br>Core Construction: Aluminum<br>Inlet Diameter: 1 1/2<br>Outlet Diameter: 1 3/4<br>TOC: 1/8-27NPT<br>EOC: NA <br>Mount: Bracket Mount<br>