Feature: 100% Brand New, Never Tested or Installed. The LS Swap Steel Brackets allow you to install any 3rd or 4th Gen LS series engine into a Chevrolet/GMC truck and SUV frame configured for GM small block or big block engines. This bracket kit eliminates clearance and fitment issues when installing an LS engine by providing an adjustable mounting configuration that allows for 2″ forward and 1/2″ rearward mounting positions. Our LS Swap Steel Brackets are CNC machined from 1/4″ thick high carbon steel and our kit includes 10.9 and 12.9 grade hardware to keep your LS secure even under the highest torque and horsepower demands. Our brackets are guaranteed to fit without any issues. Our conversion brackets are designed to use with the factory rubber clamshell mounts on your original frame and will fit TH350, TH400, TH700R4, 4L60E, 4L65E, 4L80 and any other combination of standard or automatic transmissions. No instructions included. Professional installation is highly recommended. Installation: Allows for adjustable setback to fit a variety of firewalls and transmission tunnels. For ’88-’98 Chevrolet / GMC Suburban 2WD 1/2 Ton 3/4 Ton Frames For ’88-’98 Chevrolet / Jimmy Blazer 2WD 1/2 Ton 3/4 Ton Frames For ’88-’98 Chevrolet / GMC Pickup Truck 2WD 1/2 Ton 3/4 Ton Frames. Kit includes: 1 set of engine mounts for conversion as shown in the picture.