i used gm gaskets as well as bolts with lock washers...no problems at all so far
i used gm gaskets as well as bolts with lock washers...no problems at all so far
'13 silverado LT...stock
'11 lt 4x4 z71..tvs1900
'01 gmc twins 6.0 jakes 400 ladder bars w/ coilovers tuned by nelson performance
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