Copper OEM style 4row for the 1970-1974 Cadillac series with air and with heater return line. The heater line is up farther and tank than the 1965-1969 series. Check illustration and compare to existing radiator prior to purchase.<br><br>Copper Brass all metal original style radiator is built to order in the USA. Allow 4 week build time. Item will be made with automatic transmission. For manual, specify upon ordering.<br>Purchaser is required to match illustration, thickness and measurements prior to purchase to ensure fitment. Item sold as illustrated and described disclosing model information is added as a reference. Custom built items are non returnable (12 month exchange warranty included)<br><br>Core Dimensions: 28 3/8 X 17<br>Overall Dimensions: NA<br>Hose Locations: IN-DRIVER/OUT-PASSENGER<br>Core Thickness: 2 5/8<br>Tanks: 3 1/2<br>Rows: 4<br>Tank Construction: Brass<br>Core Construction: Copper<br>Inlet Diameter: 1 1/2<br>Outlet Diameter: 1 1/2<br>TOC: YES<br>EOC: NA<br>Mount: Bracket Mount <br><br>Based on 60's style core with 1/2" tubes on 9/16" centers' the standard automotive core units are drop-in, stock replacements. Made from all new material they offer the highest quality for your stock application.<br>NOTE: We also offer this item in High Efficiency and Optima core constructions for added efficiency at added cost. Contact a sales associate for quotation.<br><br>