AGM Weld-On Race Mount Kit By far the easiest way to mount your Manual Jack. These Weld-on chassis mounts are made of interlocking 4130 tabs and tubes to take the guess work out of assembly. Light weight and simple, the lower mount comes ready to install on 1.5” tubing. (Lower mount has guide marks to sand out to 1.75” or 2.0” tubing, if needed). Weld the Top mount directly to chassis or set your own height with stand-off tubes/plates. Supplied in flat pack form to maximise fitting options.