Transform your vehicle with the StreetMonster Ford 4R70 Transmission & Converter Master Conversion Package—the ultimate solution for upgrading your classic ride with modern automatic transmission technology. Perfect for customers looking to convert their old 2- or 3-speed transmission to the popular Ford 4R70 Automatic Overdrive, this package offers everything you need for a seamless conversion. With most of the necessary components included (excluding the driveshaft, speedo cable, and crossmember), this package delivers unmatched convenience and performance.



The StreetMonster 4R70 transmission provides a 4-speed automatic design with overdrive, combining improved fuel efficiency and smooth operation with reliable power delivery. Paired with the included heavy-duty torque converter, this package ensures precise shifts, efficient power transfer, and the durability to handle anything from daily driving to street-strip performance.