Duramax Diesel Head Stud Kit Xotic Performance Head Stud Replacement Kit For 2001-2016 6.6L Chevy Duramax Diesel | Installation Instructions & Assembly Lubricant Included CP877 LB7 LLY LBZ LMM LML EASY INSTALLATION - Broached stud ends install & make cylinder head removal easier. Duramax LML vs. LMM Engine Differences These studs far exceed clamping forces provided by standard head bolts. Powermaster #9057 Ultra Duty Duramax Starter Hardened parallel washers allow for uniform load distribution and accurate torque readings. KIT INCLUDES - 36 Heads Studs, 36 Nuts, 36 Hardened Parallel Washer, 8 Rocker Bolts Fastener Assembly Lubricant & Instructions Manual. WCFab WCF100265 Duramax FASS Relocation Mount (Crew Cab) | XDP International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Ample clamping strength prevents cylinder heads from lifting. Threads rolled after heat treatment for optimum fatigue strength.