Are these pistons ready to install right out of the box?

Yes, this set comes with the piston rings already mounted onto the pistons. It also includes the necessary piston pins and clips, making them ready for installation during your engine rebuild.

What does 'reduced compression' mean for these pistons?

Reduced compression pistons, like these at 0.50MM, are designed to lower the engine's compression ratio compared to stock. This is often chosen for specific engine builds, such as those with turbocharger upgrades or when using a different cylinder head.

What is the benefit of compensated ring grooves?

Compensated ring grooves help to ensure the piston rings are loaded correctly and maintain a good seal against the cylinder wall. This is important for effective oil control, preventing oil from entering the combustion chamber and reducing blow-by.

2008-2010 Ford F-250 Super Duty Piston Set | Mahle OE 224395

Name: Mahle OE Navistar MaxxForce 7 6.4L Diesel Reduced Comp 0.50MM Piston With Rings Set (Set of 8)
Brand: Mahle OE
SKU: mahle-oe-mahle-oe-navistar-maxxforce-7-6-4l-diesel-reduced-comp-0-50mm-piston-wi-t14-356561
Price: 1130.16 USD
Availability: InStock

Mahle OE Navistar MaxxForce 7 6.4L Diesel Reduced Comp 0.50MM Piston With Rings Set (Set of 8)

$1130.16

In Stock

Fits 2008-2010 Ford F-250 Super Duty. Mahle OE 6.4L Diesel pistons with rings, 0.50MM reduced compression, set of 8. Ready for installation.

Key Features

Fits 2008-2010 Ford F-250 Super Duty and 2008-2010 Ford F-350 Super Duty.
Mahle OE pistons are built to original equipment specifications for the Navistar MaxxForce 7 6.4L diesel engine.
Set includes eight pistons, pre-mounted piston rings, piston pins, and clips for a complete installation.
Features compensated ring grooves for proper ring loading and improved oil control.
Expansion-controlled design helps reduce engine noise, wear, and emissions.
These are reduced compression pistons, sized at 0.50MM.

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Product Details

If you're rebuilding the engine in your 2008-2010 Ford F-250 Super Duty with the 6.4L Navistar MaxxForce 7 diesel, this set of eight Mahle OE pistons with rings is a solid choice. Mahle is a major OE piston manufacturer, and these pistons are built to the same specifications as the original equipment. They feature compensated ring grooves, which help ensure proper ring loading and effective oil control, keeping blow-by to a minimum. The expansion-controlled design also means they're made with tight clearances, helping to reduce engine noise and wear while improving oil control and emissions.

This set comes with the pistons, rings already mounted, and includes the piston pins and clips. This means they are ready to install right out of the box, saving you time and hassle during your engine build. These are a reduced compression piston, measuring 0.50MM, which is important to note for your specific engine build requirements. Mahle's focus on OE quality means you're getting a well-built component designed for reliable performance in your Super Duty truck.

When undertaking a diesel engine rebuild, using OE-quality components like these Mahle pistons is crucial for long-term reliability. Make sure to consult your vehicle's service manual for the correct installation procedures and any specific torque specifications required for your engine build.