What does 'reduced compression' mean for my engine?

Reduced compression pistons lower the engine's compression ratio. This can be beneficial for engines that have been modified with turbochargers or superchargers, as it helps prevent detonation. It can also be a choice for builders aiming for specific performance tuning goals.

Do these pistons come with everything needed for installation?

Yes, this set includes eight pistons with the piston rings already mounted. It also comes with the necessary wrist pins and clips, providing a convenient package for engine builders.

Are these pistons suitable for a stock 6.4L diesel engine?

These Mahle OE pistons are built to original equipment specifications, meaning they are designed to match the fit and function of the stock pistons. The reduced compression is a design feature that can still be suitable for stock applications or offer benefits for specific tuning.

2008-2010 Ford F-250 Super Duty Piston Set

Name: Mahle OE Ford 6.4L Diesel .75MM .010 /.025MM Reduced Comp w/ Rings Piston With Rings Set (Set of 8)
Brand: Mahle OE
SKU: mahle-oe-mahle-oe-ford-6-4l-diesel-75mm-010-025mm-reduced-comp-w-rings-piston-wi-t14-52894
Price: 1160.65 USD
Availability: BackOrder

Mahle OE Ford 6.4L Diesel .75MM .010 /.025MM Reduced Comp w/ Rings Piston With Rings Set (Set of 8)

$1160.65

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2008-2010 Ford F-250 Super Duty. Mahle OE 6.4L Diesel pistons with rings, set of 8. Reduced compression for improved performance.

Key Features

Fits 2008-2010 Ford F-250 Super Duty, F-350 Super Duty, F-450 Super Duty, and F-550 Super Duty.
Mahle OE pistons are built to original equipment specifications for your 6.4L diesel engine.
Features reduced compression for potential performance tuning.
Includes compensated ring grooves for proper ring loading and oil control.
Expansion-controlled design helps reduce engine noise and wear.
Comes as a set of 8 pistons with pre-mounted rings, wrist pins, and clips for easier installation.

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Will this fit your vehicle?

Product Details

If you're rebuilding the engine in your 2008-2010 Ford F-250 Super Duty with the 6.4L diesel, a quality set of pistons is crucial for getting your truck back on the road. This set from Mahle OE is built to the same standards as the original equipment, ensuring a proper fit and reliable operation. These pistons feature reduced compression, which can be beneficial for modified engines or when aiming for specific performance goals.

Mahle is a major OE piston manufacturer, and these pistons come ready for installation. They include compensated ring grooves, which help ensure the piston rings are loaded correctly for good oil control and sealing. The expansion-controlled design means they're made with tight tolerances, helping to reduce engine noise and wear while also improving oil control and emissions. This set includes eight pistons, each with rings already mounted, along with the necessary wrist pins and clips, making the assembly process more straightforward for the engine builder.

This set is designed specifically for the 6.4L Power Stroke diesel engine found in your Super Duty truck. Because these are OE-quality replacements, you can expect them to fit right and perform as intended. Remember that these pistons are not CARB approved and cannot be shipped to California.