ARP 06+ Chevy Duramax Diesel LBZ/LMM Main Stud Kit

When you're rebuilding the bottom end of your 2006 and up Chevy Duramax diesel, specifically the LBZ or LMM models, you're going to want to make sure the main caps are held down with something stronger than the factory bolts. This kit from ARP gives you a set of main studs, which are a significant upgrade for keeping your crankshaft securely in place, especially when you're pushing more power or dealing with higher cylinder pressures.

ARP is well-known for making strong engine hardware, and these main studs are no exception. They're made from a proprietary ARP 8740 alloy steel, which is heat-treated to ensure it has the tensile strength needed to handle the stresses inside a diesel engine. Unlike bolts, studs allow for more consistent clamping force and easier alignment of the main caps during installation, which is a big help when you're working on critical engine components. This kit includes the studs, nuts, and washers needed for the job, all made to ARP's exacting standards.

For any serious rebuild on these Duramax engines, upgrading to main studs is a smart move. It's a part of the build that you don't want to skimp on, and ARP offers a well-built solution that gives you peace of mind.