Industrial PDM-06037 14mm Girdle .500 Thick | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Features: - Fits 2011–2015 LML 6.6L Duramax engines - Half-inch thick high-strength steel construction - Strongest girdle design available on the market - Uses massive 14mm ARP XXL main studs - Reinforces lower engine structure under heavy load - Helps prevent main cap walk and crank flex - Ideal for high-horsepower or towing builds - Precision engineered for maximum rigidity - Only compatible with LML Duramax blocks - Core charge applies to upper oil pan - Core refund issued upon receiving used pan - Built for serious performance and reliability Lock Down Your Bottom End With Confidence If you're building serious power in your LML Duramax, it's time to get serious about bottom-end strength. The Industrial PDM-06037 14mm Girdle is exactly what you need to keep things solid when the horsepower numbers climb. Built from a massive half-inch thick steel plate, this girdle is the strongest on the market and is made to take the abuse that comes with high boost, hard towing, and aggressive tuning. It utilizes XXL ARP 14mm main studs to lock the lower end of your engine in place, reducing flex and main cap movement under load. That means better reliability, more consistent bearing wear, and peace of mind when you're pushing your truck to perform. Whether you're hauling heavy or racing hard, this girdle helps keep your crankshaft supported and your block stable. It’s a no-compromise upgrade for anyone who demands durability and isn’t afraid to put their truck to work. If you’re building it right, you need to build it with this. Precision Strength Designed For The LML Duramax The Industrial 14mm Girdle Kit is specifically designed to fit 2011–2015 GM 2500HD and 3500HD trucks equipped with the 6.6L LML Duramax engine. At .500 inches thick, this girdle provides an unmatched level of structural reinforcement to the bottom end of the engine. It works by tying the main caps together using oversized ARP 14mm main studs, significantly reducing main cap walk and crankshaft flex that can occur under high-stress conditions. This makes it a critical component for engines built for drag racing, sled pulling, or heavy towing with aggressive tuning. The girdle is precision-machined to ensure a perfect fit and consistent clamping force throughout the block. It is only compatible with LML engines and requires a core exchange for the upper oil pan, with a $250 core charge refundable upon return. This upgrade is not just about raw strength, it’s about long-term durability and protecting your investment when power output is far beyond factory limits. Fits: 2011, 2012, 2013, 2014, 2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax Notes: - Fits 2011–2015 GM Silverado/Sierra 2500HD and 3500HD with 6.6L LML Duramax - Designed exclusively for LML engine blocks - Girdle is .500 inches thick for maximum strength - Utilizes XXL ARP 14mm main studs for added rigidity - Helps prevent main cap walk and crankshaft flex - Ideal for high-horsepower, towing, and competition builds - Upper oil pan core charge of $250 applies at purchase - Core charge refunded upon return of used upper oil pan - Not compatible with other Duramax engine generations - Professional installation is strongly recommended - Designed to protect and reinforce the lower engine structure - Ensure compatibility before ordering due to engine-specific fitment