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SPELAB Head Stud Replacement Kit for 2001-2016, 6.6L LB7 LLY LBZ LMM LML Chevy Duramax Diesel Engines Models with Studs and Nuts, Cylinder Head Stud Assembly Kit & Assembly Lubricant

Free shipping on orders over $29.99

$159.99

$ 74 .99 $74.99

In Stock

About this item

  • 【Perfect Fit:】 Our replacement studs are compatible with the cylinder heads of 2001 - 2016 LB7, LLY, LBZ, LMM, and LML Chevy Duramax Diesel engines. Designed to maximize your vehicle’s performance.
  • 【EASY INSTALLATION:】 Engineered for ease, the studs are designed to simplify cylinder head installation and removal. The kit includes a comprehensive manual with detailed diagrams for a hassle-free setup. These head studs ensure a secure cylinder seal, even under the extreme pressures of high-performance turbo systems, providing superior clamping power compared to standard bolts.
  • 【Kit Includes:】 The kit comes with 36 head studs, 36 nuts, 36 hardened parallel washers, 8 rocker bolt fastener assembly lubricants, and a detailed instruction manual. Hardened parallel washers provide uniform load distribution and accurate torque readings.
  • "【ULTRA STRENGTH:】Manufactured from 42CrMo material, these head studs deliver superior tensile strength, far surpassing 8740 chromoly steel studs with a rating of 220,000 psi. Threads are rolled post-heat treatment to maximize fatigue resistance, ensuring sufficient clamping force to prevent cylinder head lifting.
  • 【Optimum Design:】At SPELAB, we prioritize exceptional quality, with comprehensive inspections to ensure the highest level of product performance. This kit is backed by a lifetime warranty, covering replacement in case of manufacturing defects, providing peace of mind and long-term protection for your vehicle.



Product Description

Head Stud Replacement Kit
Head Stud Replacement Kit
Head Stud Replacement Kit
Head Stud Replacement Kit
Head Stud Replacement Kit
Head Stud Replacement Kit
Head Stud Replacement Kit
  • Our head studs have a tensile strength of 220K PSI, offering exceptional durability and strength, perfect for high-performance engine applications.

  • This product is compatible with a wide range of vehicles, including cars, trucks, and high-performance applications. Please refer to our compatibility chart or contact customer support to confirm fitment for your vehicle.

  • Head studs provide more even torque distribution, reduce thread wear, and ensure superior sealing under high-temperature and high-pressure conditions, improving engine performance and longevity.

  • Our head studs are made from 42CrMo High Strength Steel and undergo a strict heat treatment process to ensure outstanding strength, corrosion resistance, and reliability.

  • If any problems arise due to material or manufacturing defects within one year of purchase, we will provide a replacement or solution to ensure the product meets your expectations.


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