Agree with @TwinTurbo
Those tabs act like washers. If you are missing one, use SAE washers under the head. You should then be able to tighten the bolts properly. Use threadlocker… blue not red.
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Agree with @TwinTurbo
Those tabs act like washers. If you are missing one, use SAE washers under the head. You should then be able to tighten the bolts properly. Use threadlocker… blue not red.