Torque Specs for U-Bolts with 3,500 Pound 4-Leaf Double-Eye Springs


Spring u bolt torque .


Expert Reply:

To use with the 4-Leaf Double-Eye Spring for 3,500 Pound Trailer Axles # SP-210275 I recommend the U-Bolt Kit # APUBR-1. The manufacturer doesn't list any specified torque specs for this kit but based on the size of the hardware (1/2 inch diameter nuts) you will want to torque them down to about 70 foot pounds.

I have attached an installation video that you can also take a look at.

expert reply by:
Chris R

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