Aggressive appearance Increased ground clearance HD 0.25″ thick crossmember Lower control arms feature high clearance design 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.