NEW 55-57 FORD THUNDERBIRD ALUMINUM DOWNFLOW RADIATOR WITH BUILT-IN TRANSMISSION COOLER, DUAL CORE 2 ROW TIG WELDED, 21 1/4" X 23 1/2" 1955 1956 1957 FORD THUNDERBIRD T-BIRD TBIRD Brand New Southwest Speed Dual core, 2-row, OEM Style High-Efficiency Downflow Aluminum Radiator with a Built-in Transmission Cooler for 1955 - 1957 Ford Thunderbird that can be used on both manual and automatic applications (Part # 410-1941) &gt; This aluminum radiator is designed to fit and look Authentic, and is a drop-in replacement for 1955 - 1957 Ford Thunderbird's This aluminum radiator is built to factory specifications, so it looks like a factory 55 - 57 T-Bird radiator, but is much lighter and more efficient than the factory Copper/Brass type radiator &gt; This is a must have for any street-driven car that needs some extra cooling power Supplied with 1/8" NPT ports for the automatic transmission cooler, for manual transmission, you can simply plug the cooler ports with two 1/8" NPT plugs &gt; Your classic car deserves the best Features: &gt; Centered filler neck with overflow hose nipple &gt; 1/2" NPT bung for temp switch &gt; 2 rows of 1" tubes &gt; Built-in 7-plate automatic transmission cooler &gt; Trans Cooler ports: 1/8" NPT &gt; Drain Petcock Specs: &gt; Material Type: Aluminum &gt; Overall Height: 23 1/2" &gt; Overall Width: 21 1/4" &gt; Transmission Cooler: Yes &gt; Tube Style: Downflow &gt; Overall Thickness: 4 1/2" &gt; Row Quantity: Dual &gt; Inlet Location: Upper Right &gt; Inlet Size: 1 3/4" &gt; Outlet Location: Lower Left &gt; Outlet Size: 2" &gt; Tube Size: 1.00" &gt; Radiator Style: Single Pass