PPE 118020100 Head Stud Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Features: - Fits 2001-2010 6.6L Duramax engines - Ideal for Silverado and Sierra HD models - Supports high-boost builds up to 45+ psi - Thread-rolled to Mil-S-8879 specs for strength - Centerless-ground studs for precision fit - Includes hardened washers and high-strength nuts - Improves head sealing under heavy boost - Reduces stress at thread engagement points - Delivers accurate and repeatable torque readings - Uniform load distribution across the cylinder head - Great for performance, towing, and racing applications - Recommended upgrade for tuned and built engines Keep Your Heads Clamped Down When Power Starts Climbing When you start turning up the boost on your Duramax, stock head bolts are one of the first things to let go. That’s where the PPE 118020100 Head Stud Kit steps in with the kind of strength your engine needs to stay together under pressure. Whether you’re building for towing, racing, or just want more confidence in your daily driver, this kit helps prevent the head lift and gasket failures that can ruin a perfectly good build. It’s a smart investment if you’re pushing past 45 psi of boost or running custom tuning that puts added stress on the engine. Each stud is engineered to hold torque accurately and distribute pressure evenly across the head, keeping your combustion chambers sealed tight even when things heat up. You’ll get peace of mind knowing your motor’s bottom end has a foundation built to handle the job. If you're serious about reliability and performance, this head stud kit belongs on your parts list. Built For High Boost Precision And Long Term Reliability The PPE 118020100 Head Stud Kit is a premium fastener solution designed for 2001-2010 GM 6.6L Duramax engines. Manufactured using ARP-grade materials and processes, each stud is centerless-ground for uniformity and straightness, which ensures precise fit and consistent clamping force. The thread-rolled design meets Mil-S-8879 specifications, increasing fatigue strength and reducing stress concentrations commonly found in high-performance engine builds. Hardened parallel washers and matching nuts are included to deliver even load distribution and accurate torque readings across the entire head surface. This is critical for high-boost applications where cylinder pressures can spike significantly under load. Whether you're running compound turbos, towing heavy loads, or simply want a stronger foundation for tuning, this kit ensures your heads stay firmly sealed. It’s a recommended upgrade for any Duramax owner pushing the limits of stock hardware and expecting long-term engine durability. Fits: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax Notes: - Fits 2001-2010 GM 6.6L Duramax engines - Recommended for boost levels of 45 psi and higher - Designed to reduce head gasket failure under high pressure - Studs are centerless-ground for precise fitment - Thread-rolled to Mil-S-8879 specs for increased strength - Includes hardened parallel washers and high-strength nuts - Ensures uniform load distribution across the cylinder head - Delivers more accurate torque values than factory bolts - Ideal for high-performance, towing, and race applications - Professional installation recommended for best results