Easy bolt-on installation Increased ground clearance Front adjustable track bar is made of forged solid steel for unsurpassed strength and durability Levels the front with the rear of the vehicle Coil springs are progressive rate for enhanced ride quality. Quick disconnects quickly and easily store out of the way when not in use. Includes application valved N3 series shock absorbers which offer the best in balanced performance for on and off-road 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.