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>Engine <br>V8 Flathead<br><br>Core Size <br>19-1/4 x 21<br><br>Airflow Type <br>Downflow<br><br>Inlet/Outlet Size<br>1 3/4 (we can change this at consumer request) <br>Please Specify<br><br>Notes <br>39 DELUXE, 4 Hose Connections, Specify Hose Sizes and Locations<br><br>Year(s) <br>1939, 1940, 1941<br><br>Transmission Cooler Size<br>NA<br> <br>Factory AC <br>No, Yes<br><br>Core <br>High Efficiency<br><br>Transmission Cooler (Built In) <br>No<br><br>Rows <br>4<br><br>Copper 80's style core with 1/2" tubes on 3/8" centers. Increased cooling efficiency without modifications to car. 4 row High Efficiency offers more cooling efficiency than aluminum cores due to tubes on 3/8" centers. Copper/brass construction to ensure dependability.<br><br><br><font class="HiliteFONT">Suggested Add-Ons:</font><br>Radiator Cap (<a href="/product.asp?part_id=221633" target="_blank">SKU 221633</a>) <br>Thermostat Relay Kit (<a href="/product.asp?part_id=221453" target="_blank">SKU 221453</a>) <br>Overflow Tank (<a href="/category.asp?cat_id=R023" target="_blank">See Category</a>)<br>One 16" fan recommended for this core size (<a href="/product.asp?part_id=221446" target="_blank">SKU 221446</a>)