This is a custom built to order item made in the USA. Allow 4 weeks for completion. Item comes with 12 month warranty. Item is made for automatic transmission, but can be made manual at your request. Electric fan shroud and fan combos can be added and built to order at request. All customized items are made per the dimensions and specifications listed here. We do not guarantee ant fit based on catalog lookup. We expect consumer to check and compare to their needs prior to purchase:<br><br>ore Dimensions: 22 1/2" x 18"<br>Overall Dimensions h x w:28 1/8" x 22 1/2" -measurement includes cap and brackets<br>Core Thickness: 2 1/4<br>Tank Width: 3<br>Rows: 2 (1 INCH TUBING)<br>Tank Construction: Aluminum<br>Core Construction: Aluminum<br>Hose Location:<br>Inlet Diameter: 1 1 /4<br>Outlet Diameter: 1 1/2<br>TOC: NO<br>EOC: NA<br>Mount Specs: 19 7/8", 21 5/8", 21"<br><br>radiator for 1937-1939 CHEVROLET Trucks with Straight 6 motors.<br> <br>Direct fit radiator<br>16 Fins per inch<br>Filler neck is machined from a solid aluminum billet<br>No epoxy, fully furnace brazed<br>Fully TIG welded<br>100% MADE IN THE USA<br> <br>The tubes are space 3/8" apart, on center. With 3/8" centers we are able to put more rows of tubes, fins, and coolant volume in the core as well as create more surface area for air to travel over' allowing for greater heat dissipation.