MAHLE 224-3851WR-0.25MM MAXX FORCE 7 PISTON WITH RINGS (.25MM) FOR 2008-2010 FORD SUPERDUTY WITH 6.4L POWERSTROKE ENGINE

A .25 mm oversize piston and ring assembly tailored for high-performance rebuilds of Ford’s 6.4 L Powerstroke/MaxxForce 7 engines. This unit includes the piston (aluminum alloy), factory-installed rings, wrist pin, and retaining clips—ready for drop-in installation.

Vehicle & Engine Fitment

• Designed specifically for 2008–2010 Ford 6.4 L Powerstroke (Navistar MaxxForce 7) engines found in Super Duty trucks (F-250, F-350, F-450, F-550) and commercial vehicles like F‑650/F‑750, International CF/LCF/WorkStar, Durastar, etc.
  

 Key Specifications

• Oversize increment: +0.25 mm

• Materials & design:

  • Aluminum alloy pistons with compensated ring grooves

  • Floating wrist pin design

  • Optimized bowl shape for combustion efficiency

  • Coated skirts to reduce wear and noise 

• Rings included: Compression and oil rings are pre-installed

• Sold per piston, but it's a requirement to purchase a full set of 8—sum of 8 needed for a complete rebuild

The MAHLE 224-3851WR-0.25MM MAXX FORCE 7 Piston with Rings is the ultimate solution for enthusiasts and professionals seeking to enhance the performance of the Ford 6.4L Powerstroke and MaxxForce 7 engines. Designed specifically for 2008-2010 Ford Super Duty trucks, including the F-250, F-350, F-450, and F-550, as well as commercial vehicles like the F-650, F-750, and International Durastar, this piston set offers a reliable and efficient upgrade for any high-performance rebuild.

This .25 mm oversize piston and ring assembly is crafted with precision using durable aluminum alloy, ensuring optimal strength and longevity. The included factory-installed compression and oil rings come pre-assembled for a seamless drop-in installation, eliminating the hassle of separate component sourcing. The thoughtful design features a floating wrist pin system for enhanced performance and reduced noise, while the optimized bowl shape significantly improves combustion efficiency.

Additionally, the coated skirts provide added protection against wear, ensuring smoother operation under demanding conditions. Each piston is sold individually, but a complete rebuild requires a full set of eight, guaranteeing uniform performance across all cylinders.

MAHLE stands as a recognized leader in automotive components, known for their commitment to quality and innovation. Integrating this piston set into your engine will revitalize performance and restore reliability, making it a pivotal addition for any serious technician or performance enthusiast. When it's time to rebuild, choose the MAHLE 224-3851WR-0.25MM MAXX FORCE 7 Piston with Rings to elevate your engine to new heights.