Strong, yet lightweight, A-arms that noticeably improve stability and handling Made of TIG-welded, 4130 chromoly tubing with gloss black finish Adjustable camber and caster Delrin pivot bushings Include stainless steel tie-rods and pre-greased, sealed ball joints Deliver improved valving and spring ratios with the use of longer shocks; will not work with OEM shock absorbers (see application chart for required shock length). A-ARMS DC-4 TRX450R