I would say as long as the bolts are to the perspective torque setting of the stiffening plate I don't see a reason you couldn't use regular hardened grad 10.9 bolts. The key is the torque setting for the type of bolt used, stiffening plate bolts are TTY and only torqued once for structural integrity of the plate/front end. As long as the torque setting is kept I would think theoretically the integrity of it should be fine.

Good idea actually!

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2018 Ram 2500 6.7L Cummins 68RFE
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