Suspension Spring ( Coil / Leaf ): Specifications

Leaf Spring To:
3500 Bracket Nuts 95 Nm (70 ft. lbs.)
3500 Shackle Nuts 95 Nm (70 ft. lbs.)
3500HD Bracket Nuts 415 Nm (306 ft. lbs.)
3500HD Shackle Nuts 213 Nm (157 ft. lbs.)

U-Bolt nuts:
3500 w/o 7.4l or dual rear wheels 110 Nm (81 ft. lbs.)
3500 w/dual rear wheels or 7.4l w/o duals 148 Nm (109 ft. lbs.)
3500HD 253 Nm (187 ft. lbs.)