This all aluminum ELECTRIC dual fan shroud is set to work for our all aluminum radiator for 80-97 Ford Bronco and F Series pickups.<br><br>Fan Setup: 2 x 12 (Not Included)<br>12 Inch Fan Opening: 11 1/4 x 11 1/4<br>Core Dimensions: 18 3/8 x 27 1/2<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>Two 12" Electric fans required for this core size (<a href="http://www.radiatorexpress.com/product.asp?part_id=221449" target="_blank">SKU 221449</a>)