2006 & 2010 Duramax LBZ/LMM ARP Main Stud Fasteners ARP 230-5402


Product Highlights:

*** Please note these are main studs for the bottom end of the engine – not cylinder head studs ***

There are many important reasons to use ARP main stud kits, including the elimination of main cap walk and fretting, as well as protecting the threads in your engine block. All kits come complete with hardened parallel ground washers and high quality nuts. Some applications have provisions for mounting windage trays and have specially designed standoff studs with serrated lock nuts to position the windage tray and lock it securely in place. The studs are manufactured from 8740 chrome moly steel, heat treated in-house to 200,000 PSI tensile strength, and precision J-form threads rolled after heat treat to create a fastener that has threads 1000 Percent stronger than others.
Engine Compatibility: Diesel Chevrolet Duramax 6.6L
Main Type: 2-Bolt
Head Type: Hex
Material: Steel
Quantity: Set Of 2
Kit Come Complete With Hardened Parallel Ground Washers, High Quality Nuts & Assembly Lube
Manufactured From 8740 Chrome Moly Steel
Heat Treated To 200,000 PSI
Precision J-Form Threads Rolled After Heat Treat To Create A Fastener That Has Threads 1000 Percent Stronger Than Others
Limited 90 Day Warranty



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