Max-Flow Up-Pipe Bolt, 2001-2016 LB7/LLY/LBZ/LMM/LML

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Fits: 2001 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LMM/LML Duramax Diesel Whether you need one replacement up-pipe bolt because it broke or you need a full set, DmaxStore has you covered. We recommend installing a full set of bolts so you never have to worry about breaking a stock bolt again. These bolts secure the up-pipe to the exhaust manifold and turbo assembly, feature a black finish and have a 12 point head. These bolts are Grade 12.9 providing a substantial extra margin of safety over Grade 8 hardware. The stock bolt have a tendency to break when reused, skip the hassle and replace them when the up pipes are already out.Features: 12 pt head for more surface area to grip to reduce chance of stripping Black coating for corrosion resistance Grade 12.9 for additional strength Notes: Sold individually. Options for a full set of 12 (bolts for both up-pipes). These bolts will also fit the LB7 downpipe, you will need 4 to replace the factory bolts, there are 2 studs with that you can reuse or replace. Show more