Big Block option with factory air.<br><br>Check the core size and thickness of each side of the radiator prior to purchase to ensure this is the correct version. See other listings for thicker items.<br><br>Core 26-1/4 wide. <br>Sides of radiator are both 3 1/2 inch thick.<br><br>our design features a high efficiency core for proper big block cooling (upgrade over dealer original)<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 cannot be canceled mid build and are non returnable (12 month exchange warranty included)<br><br>Core Dimensions: 17 x 26-1/4<br>Overall Dimensions: NA<br>Hose Locations: IN-DRIVER/OUT-PASS<br>Core Thickness: 2 5/8<br>Tanks: 3 1/2<br>Rows: 4<br>Tank Construction: Brass<br>Core Construction: Copper<br>Inlet Diameter: 1 1/2<br>Outlet Diameter: 1 1/2<br>TOC: YES (For manual , specify after ordering)<br>EOC: NA<br>Mount: Saddle<br><br>Copper 80's style core with 1/2" tubes on 3/8" centers. Increased cooling efficiency without modifications to car. High Efficiency offers more cooling efficiency than aluminum cores due to tubes on 3/8" centers. Copper/brass construction to ensure dependability.<br>Triple Flow = Coolant re-routed through the core 3 times. Added time fluid spends temperature reducing airflow allows for heater transfer increase. (note: Tripleflow option requires that inlet and outlet be on opposite sides and must use auxiliary tranny cooler for automatic transmission vehicles).