Aggressive appearance Increased ground clearance HD 0.25″ thick crossmember Lower control arms feature high clearance design Front adjustable track bar is made of forged solid steel for unsurpassed strength and durability Extreme travel long arms keep optimum alignment and give optimum articulation. 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.