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The perfect addition to any exhaust manifold replacement or upgrade on your Duramax. Our phosphate & oil coated bolts meet or exceed OE specs. Paired with the bolts are 16 Stainless Steel ARP Washers for the perfect torque and corrosion resistance. This kit is extremely popular with the techs in our shop. No more reusing or wire brushing rusty scaly hardware.
This kit will do both sides of the engine and replace the OE studs.
Manifold to Cylinder Head
LB7 LLY LBZ LMM LML
Note: These bolt kits are designed to work with OE manifolds only. Aftermarket/Performance manifolds generally require (16) 35mm bolts.
For up-pipe bolts, See DHD 300-112.
Part number: 300-110
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