Product details:

Standard open carrier caseFits GM 8.5" with 28 or 30 spline axles2.73 and up ratio onlyDoes not include spider gears Yukon Gear and Axle manufactures a full line of standard open and positraction carrier cases for a variety of applications. The castings and machining are kept to the highest of standards to produce a carrier which provides both high strength and tight tolerances for long life.