Fly Cut Coated & Chamfered ISB X-Series Piston Kit (Standard)

Features:

• Fits 2003-2004 5.9L Cummins ISB engines
• Standard bore fly cut piston kit
• Drop-in matched piston set
• Includes rings wrist pins and clips
• .100 inch fly cut valve reliefs
• Supports higher lift camshaft applications
• Provides added piston to valve clearance
• Thermal barrier piston top coating
• Low friction anti-scuff skirt coating
• Chamfered tops reduce cylinder wall scuffing
• .015 inch reduced compression height
• Built for high performance diesel builds

Build Your Cummins To Handle Bigger Power With Confidence

A serious engine build deserves pistons that are ready for the extra demands of modern diesel performance, and the Industrial Injection X-Series Fly Cut Coated and Chamfered Standard Piston Kit is built for exactly that purpose. Designed for 2003-2004 5.9L Cummins engines with a standard bore, this kit combines premium coatings with additional valve clearance to help support aggressive engine combinations. The thermal barrier coating on the piston crown helps manage combustion heat, while the low friction anti scuff skirt coating is engineered to reduce wear and promote smooth piston movement throughout the life of the engine. The .100 inch fly cut valve reliefs provide valuable clearance for higher lift camshafts, giving builders more flexibility when planning a performance oriented setup. Every matched piston set includes rings, wrist pins, and clips, allowing you to move through your rebuild without searching for additional core components. Furthermore, the chamfered piston tops help reduce cylinder wall scuffing, making these pistons an excellent choice for engines expected to tow heavy, run elevated boost, or produce substantially more power than stock. If your goal is a durable standard bore Cummins that is built to perform for years to come, this Industrial Injection piston kit delivers the engineering and reliability to match.

Advanced Engineering For High Performance Standard Bore Builds

The Industrial Injection 244120 ISB X-Series Fly Cut Coated and Chamfered Piston Kit is engineered specifically for 2003-2004 Dodge Ram 2500 and 3500 models equipped with the 5.9L Cummins 24 valve ISB engine using a standard bore. Manufactured as a matched piston set, these pistons install as direct drop in replacements while incorporating several performance focused enhancements beyond a conventional replacement piston. Each piston features a thermal barrier coating that helps control combustion temperatures, along with a low friction anti scuff skirt coating that reduces friction between the piston skirt and cylinder wall during operation. Additionally, the chamfered piston tops help reduce cylinder wall scuffing, while the .015 inch reduced compression height supports engines operating with increased cylinder pressure and elevated boost levels. Integrated .100 inch fly cut valve reliefs provide additional piston to valve clearance, making this kit well suited for engines equipped with higher lift camshafts or other valvetrain upgrades requiring extra clearance. Every kit includes matching piston rings, wrist pins, and retaining clips to simplify installation and ensure proper component compatibility throughout the rebuild. For builders looking to maximize the performance potential of a standard bore 5.9L Cummins, this X-Series piston kit delivers the durability, clearance, and precision expected from Industrial Injection.

Fitment: 2003, 2004 Dodge RAM 2500/3500 4WD 5.9L Cummins 24V

Notes:

• Designed for 2003-2004 5.9L Cummins 24V ISB engines.
• This kit is intended for standard bore applications.
• Includes .100 inch fly cut valve reliefs.
• Verify piston to valve clearance before ordering.
• Confirm compatibility with higher lift camshafts.
• Compression height is reduced by .015 inch.
• Confirm compression height matches your engine build.
• Includes coated and chamfered matched pistons.
• Includes rings wrist pins and retaining clips.
• Recommended for modified and performance engine builds.
• Consult your engine builder before installation.
• Supersedes previous PDM-3672FCC part number.