For sale is an A-body stock length axle 8 3/4. Yukon 489 center section with 3.55 gear ratio, Detroit True-trac diff, billet caps, 7290 yoke. Moser axles with "green" bearings and inner axle seals. 5x4.5 bolt pattern. Screw in extended length wheel studs. Axle does have a whine at highway speeds...