The Yukon Gear & Axle replacement standard open carrier case for Dana 30 fits 3.73 and up ratios and measures 1.943" tall. This bare carrier is machined for correct internal geometry and does not include spider gears. When used in a D30 JK front application, the manufacturer indicates the matching spider gear set YPKD30-S-27 is required for proper installation.
Yukon Gear Replacement Standard Open Carrier Case For Dana 30 / 3.73+