Finned Design for additional cooling. Ford C4 Aluminum High Volume Transmission Oil Pan Cast Finned Black. C4 Black Trans Oil Pan Speedmaster.These Speedmaster automatic transmission deep pans provide additional fluid capacity and cooling ability. No modifications to the dipstick are needed. They include a drain plug for clean and easy fluid changes, and are available in chrome or cast aluminum. The item "Speedmaster Ford C4 Aluminum High Volume Transmission Oil Pan Cast Finned Black" is in sale since Thursday, April 8, 2021. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Other". The seller is "streetrays" and is located in Austin, Texas. This item can be shipped to United States.