Our 1963-82Chevy Corvewtte Stingraytubular lower control arms are designed for the performance enthusiast! POL’s unique design uses 1.250″ OD DOM tubing and high strength cross tube to triangulate the construction eliminating deflection on your performance Corvette.Improves handling and performance. Professionally built in the USA. Works with OEcross shafts. A must when running power steering. Works with factory sway bar.