Founders Performance 23811R Lower Control Arms Red - Car Set Founders Performance Performance Lower Control Arms Founders Performance LLC has designed the strongest set of non adjustable lower control arms on the market. These control arms are a direct replacement to your weak, factory stamped rear lower control arms.These control arms are constructed of high strength 1.75" OD steel tubing with CNC machined ends and laser cut main tubes for the ultimate in fit and finish. Founders Performance control arms are supplied with fluted greasable Energy Suspension polyurethane bushings for a low maintenance control arm kit. Performance Lower control arms are one of the first parts that should be done on the 3rd or 4th generation F-body. These direct bolt-on replacement arms will minimize wheel hop, improve straight line traction, and improve cornering, while lowering track ETs and helping your launch launch straighter.