Our adjustable inner frame link mounts are made to be welded directly to your frame. Ultra 100 This is a super strong CNC bent, 3/16" 100,000 min yield steel laser cut bracket made to take serious abuse. Perfect for a three link or four link suspension system. These are made to be attached to your frame, they have an adjustable inside width of 2"- 2-5/8" and have a 5/8" bolt hole. We offer three different mounting angles. These are sold Individually.