DHD 300-112 Duramax Up Pipe Bolts 2001-2016

Replace, worn, rusted or broken up pipe hardware with DHD's large flange up pipe bolts. Our phosphate oil coated 10.9 bolts meet or exceed all OEM specs. Their extra large flange guarantees a perfect clamp load and seal every time.

Pair these bolts with our PPE stainless gaskets for a leak free, trouble free install.

Note: 3 bolts included in one package, 2 Kits are Required to do 1 up pipe install.