Coated & De-Lipped X-Series Piston Kit (Standard)

Features:

• Standard bore matched piston set
• Complete eight-piston engine rebuild kit
• Fits 2001-2016 6.6L Duramax engines
• Supports LB7 through LML applications
• De-lipped piston design
• Thermal barrier crown coating
• Low-friction anti-scuff skirt coating
• Premium PVD piston ring pack
• Includes rings wrist pins and clips
• Built for high-performance diesel engines
• Handles elevated boost and cylinder pressure
• Designed for drop-in installation

Built To Handle The Demands Of Serious Diesel Power

When you are building a Duramax that is expected to work harder than stock, every internal component matters. The Industrial Injection 44B109 Coated and De-Lipped X-Series Piston Kit is designed for builders who want added confidence when pushing their truck through heavy towing, higher boost levels, or demanding performance applications. This complete standard bore kit includes a matched set of pistons along with rings, wrist pins, and retaining clips, making it easy to start your rebuild with premium components. The thermal barrier coating helps protect the piston crown from extreme combustion temperatures, while the low friction anti scuff skirt coating promotes smoother operation and reduced wear over time. Furthermore, the de-lipped piston design is engineered for applications that experience increased cylinder pressure, giving performance minded owners an upgrade beyond a conventional replacement piston. Whether your truck is built for the street, the track, or hauling heavy loads, this kit is ready to support your goals. It is an excellent choice for anyone looking to combine durability, reliability, and performance in a single engine rebuild.

Advanced Piston Technology For High Performance Duramax Builds

The Industrial Injection X-Series Coated and De-Lipped Piston Kit is engineered specifically for 2001-2016 GM 6.6L Duramax LB7, LLY, LBZ, LMM, and LML engines using a standard bore. Every piston is manufactured as part of a precision matched set to help maintain balanced engine operation across all eight cylinders. Additionally, the premium PVD ring pack is designed to provide dependable cylinder sealing while standing up to the demands of elevated boost, increased cylinder pressure, and heavy towing. The thermal barrier coating on each piston crown helps reduce heat transfer into the piston, while the anti scuff skirt coating minimizes friction during startup and prolonged operation. The de-lipped piston profile is intended for more demanding diesel applications where added durability is essential. Because the kit installs as a drop in replacement for properly prepared standard bore engines, it simplifies the rebuilding process without sacrificing quality. Combined with proper machining practices and professional engine assembly, this piston kit provides a strong foundation for reliable power and long term engine performance.

Fitment: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax

Notes:

• This kit is coated & de-lipped standard size 
• Confirm cylinder bore size before ordering.
• Includes a complete matched set of eight pistons.
• Includes rings, wrist pins, and retaining clips.
• Fits 2001-2016 Duramax LB7 through LML engines.
• Intended for properly prepared standard bore blocks.
• Designed for elevated boost and cylinder pressure.
• Recommended for heavy towing and performance builds.
• Consult your engine builder for modified applications.
• Verify piston clearance before final engine assembly.
• Professional machining and assembly are strongly recommended.
• Supersedes previous PDM-360STD piston kit.