Replacement Hydra-Lok For Super Dana 44 Only Replaces Hydro-Lok Posi Carrier Complete Yukon Gear & AxleYukon 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. Details: Hydralok positraction Fits Dana Spicer 44HD 1 year warranty against manufacturer defect Sold As Each Technical Notes: This case is drilled for 3 8 inch ring gear bolts