All aluminum 2-Row Camaro / Firebird racing radiator. Setup for the smaller mount 20 inch core without AIR oem. For with air 23 inch core, see other listings.<br><br>This item is 1 3/4 thick (same as a 3 row copper brass) For OEM L6 or small block v8 with 2 row 1 1/4 thick radiators, check spacing to fan or consider switch to electric fans to better space an upgrade. <br><br>Core Dimensions: 17 x 20 3/4 <br>Overall Dimensions: 19 1/4 x 28 3/4 - including cap and bracketing<br>Hose Locations:In -Driver/Out -Pass<br>Core Thickness: 1 3/4"<br>Tank Thickness: 2-3/8<br>Rows: <br>Tank Construction: Aluminum<br>Core Construction: Aluminum<br>Inlet Diameter: 1 1/2<br>Outlet Diameter: 1 3/4<br>TOC: 1/2" 20 STRAIGHT, THREAD G1/4 <br>EOC: NA <br>Mount: Flange Mount<br>Horizontal - 27 1/4<br><br><font class="HiliteFONT">Suggested Add-Ons:</font><br>Thermostat Relay Kit (<a href="http://www.radiatorexpress.com/product.asp?part_id=221453" target="_blank">SKU 221453</a>) <br>Overflow Tank (<a href="http://www.radiatorexpress.com/category.asp?cat_id=R023" target="_blank">See Category</a>)<br>One 16" (<a href="http://www.radiatorexpress.com/product.asp?part_id=221446" target="_blank">SKU 221446</a>) or 2 x 10" (<a href="http://www.radiatorexpress.com/product.asp?part_id=221448" target="_blank">SKU 221448</a>) Electric fans recommended for this core size<br>Electric Fan Shroud Kits (<a href="http://www.radiatorexpress.com/category.asp?cat_id=R024" target="_blank">See Category</a>) for alternate mounting of fans<br>