Front adjustable track bar is made of forged solid steel for unsurpassed strength and durability. Quick disconnects quickly and easily store out of the way when not in use. Lower control arms feature high clearance design. Extreme travel long arms keep optimum alignment and give optimum articulation. X-Flex control arm features Clevite brand OEM style rubber bushings, Flex joints feature a massive 2.5" diameter body and 1.25" thread, Fully greaseable, Upper joints pivot up to 20 degrees, and Lower joints pivot up to 35 degrees. Backed by Rough Countrys Lifetime Replacement Warranty and 3 Years on Shocks.