BRAND NEW CHASSIS ENGINEERING 4-Link REAR FRAME KIT Without Brackets To run a big tire car you’ll need a set of our ladder bar frame rails. Our frame rails can be easily modified if needed to fit virtually any application. Chassis Engineering rails are computer-controlled mandrel bent from 2” x 3” x .120 DOM TUBING. contact me for rates and details [phone removed by eBay] or [phone removed by eBay]