4 of these special drilled head bolts are used to secure the rear pinion cover to the axle housings. This is the cover that has your oil filler plug in it. 6 of the same bolts are used to attach the torque tube to the axle housings. Cad plated. U.S.A.
Large castle nut for the TT truck rear axles. This is the nut that holds the hub/wheel onto the tapered end of the axle shaft. Cotter pin included. Sold individually. U.S.A.