Frame shackle tubes become the front pivot points on IFS style frames when you do a solid axle swap. The jigs go under the frame and are used as the template for a plasma cutter or torch to cut out the holes in the frame for the tubes.

• Frame tubes are .281 wall DOM tubing 3.875 long 
• If you need a different length, Call us ,we'll make it.
• Sold individually, 2 are needed per truck