Easy bolt-on installation Increased ground clearance Levels the front with the rear of the vehicle Front adjustable track bar is made of forged solid steel for unsurpassed strength and durability Coil springs are progressive rate for enhanced ride quality. Quick disconnects quickly and easily store out of the way when not in use. X-Flex control arm features: durable OEM style rubber bushings. Flex joints feature a massive 2.5″ diameter body and 1.25″ thread. Fully greasable. Upper joints pivot up to 20 degrees. Lower joints pivot up to 35 degrees.