Item is 28 inch across for just the FIN area where air passes through. This longer radiator was the factory with air replacement for many applications it fits.<br><br>Note: 1972 Lincoln Mark IV should be 26 inch core, some late model units used the 28 inch core (meant for 73-76) Measurement is suggested prior to purchase. <br><br><br>In certain instances, Ford and Mercury had a smaller radiator for without air models which we may show online for your purchase. Some vehicles like the Ranchero used this radiator in both with and without air.<br><br>Its important that consumer tape measure old radiator or saddle mount to see the opening core compares to this SKU.<br><br>All aluminum combo kit includes <br>- 4 Row Radiator<br>- Fan Shroud<br>- Dual Fans 2 x 14 inch (includes mounting)<br><br>Fan Details: 2400 CFM (1200 EA)<br><br>Package Thickness 5 3/4 inch (check that you have clearance for this upgraded setup)<br><br>Wiring Kit not included, see SKU 221453<br><br>Radiator Details:<br><br>4 row radiator (is non stock upgrade for 2 row copper 1 1/4 thick originals)<br>If you have a 3 row, you can ignore this mention.<br>If you have a 2 row, the 3 row does not fit with stock shroud. We have created this bundle package for transitioning to an electric fan setup so that those with 2 rows can also upgrade their cooling by removing the stock shroud and fan and gaining space for this package. <br><br>Fitment will be at sole discretion of end user. Going to electric fans will help with obtaining extra space for upgrading if you have a 2 row copper original.<br><br>Core length 28 , with air (without air is smaller)<br><br>2 row copper radiator is SKU 40389 for those looking to use stock shroud.<br><br>Core Dimensions: 17 7/8 x 28<br>Overall Dimensions: 19 1/2 x 34<br>Hose Locations: IN-PASS /OUT-DRIVER<br>Core Thickness: 2 3/4<br>Tanks: 3 1/2<br>Rows: 4<br>Tank Construction: Aluminum<br>Core Construction: Aluminum<br>Inlet Diameter: 1 1/2<br>Outlet Diameter: 1 1/2<br>TOC: 1/8-27NPT<br>EOC: NA <br>Mount: Saddle Mount<br>12 Month Warranty<br><br><font class="HiliteFONT">Suggested Add-Ons:</font><br>Radiator Cap (<a href="http://www.radiatorexpress.com/product.asp?part_id=221633" target="_blank">SKU 221633</a>) <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 14" (<a href="http://www.radiatorexpress.com/product.asp?part_id=221449" target="_blank">SKU 221449</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>