Rear Axle Assembly Housing Stud - 3/8-24 in Thread - 1.750 in Long - Steel - Black Oxide - Ford 9 in - Set of 10 Brand Allstar Performance The housing stud has a knurl diameter of just under .400 designed for use in a 3/8(.375) hole. These studs are Grade 8 ALL72040 Truck Freight- NO State Restriction-
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