Part# 40-090

1 1/8″ diameter x 18 1/2″ long splined 4340 steel torsional shaft (not a piece of chrome moly tubing) anti roll bars for SW rear frames 10-400, 10-508 10-510-24 10-511-24 as well as any other frame or application where a 18.5″ long bar will fit best. Kit has 6″ long, 1″ wide splined aluminum arms, 1-5/8″ x .134 EWS x 36″ upper cross-member, 1-1/2″ x .095 DOM support tube with bronze  bushings, 3/8″ right left right ends, 3/4″ x .058 link tubing and tabs to mount on rear housing., By equalizing traction preventing body roll, anti-roll or rear torsion bars, as they are sometimes called, have been shown to produce consistently quicker 60′ times. This new kit uses only the highest quality components