Compatible with 1947-1959 Chevrolet/GMC Truck

This universal crossmember bolts or welds directly to your framerails and allows the conversion from a inline 6-cylinder to a big block or small block V8 engine. The crossmember uses the side bolt motor mounts. Note some welding is required. Can be cut to 24-inches or extented to fit 37-inch wide frame rail spacing. 3-piece set with black painted finish.