Superior Engineering has become one of the best known Premium 4X4 Accessories and 4WD Suspension autoparts manufacturer and supplier in Australia and around the world. Here at Superior Engineering we strive to use the highest quality materials and expert workmanship to produce premium 4X4 products for our customers. We manufacture and supply a huge range of 4X4 products, accessories and suspension parts for almost every type of four wheel drive vehicle on the market. These include Super Flex and hybrid radius arms, drop boxes, shock absorbers, coil springs, leaf springs, steering arms, shackles, bushes, drop boxes, drag links, tie rods and control arms.These are Superior Heavy Duty Adjustable Upper Control Arms. Upper adjustable control arms are used mainly to adjust the wheel base and/or pinion angle. Made from quality High Tensile Bar, 1 1/8 UNF thread with twin lock nuts to eliminate any chance of the nuts coming loose. The threaded rod is 150mm long giving ample adjustability. All control arms come coated in a rust resistant zinc finish and come with high flex rubber bushes fitted. Specs:Manufactured from quality High Tensile Bar,Finished in a zinc anti-corrosion finish ,High flexing rubber bushes.,The threaded rod is 150mm long giving ample adjustability,