Remove the u-bolts in order to get the drive shaft out, removing it from the rear pinion without breaking the nuts; learn how in this free auto-restoration video.
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Product Specifications Item Condition: New Brand: Albany County Fasteners Type: Hex Jam Thin Nut Grade/material: 18-8 Stainless Steel Thread Fine Unf Direction: Right Hand Width Across Flats: 7/16 Size: Height: 5/32 Socket Tensile Strength Psi: 100,000 125,000 Yield 55,000 75,000 Hardness: Rockwell B Other: N/a