Copper brass 3 row upgrade for the L6 engines (originally came with 2 row copper core) Item made to fit near stock with beefed up core design.<br><br>Item fits L6 engines with 20 x 17 inch core side (*check illustration and dimensions 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: 20 7/8 x 16 x 1 3/4 <br>Thickness: 1 3/4<br>Rows: 3<br>Tank Construction: Brass <br>Core Construction: Copper/Brass <br>Inlet Diameter: 1 1/2 <br>Outlet Diameter: 1 1/2<br>TOC: Concentric 8-1/2 - 5/16 IF<br>TOC Length: 8 1/2 <br>EOC: NA <br>EOC Length: NA <br>w/o air<br>20" Core<br>8-1/2 Inch Cooler<br>Fot Note: Drain plug is on bottom<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.