Dualoy Pistons

2008-2010 Powerstroke 6.4L Dualoy Piston & Ring Kit (7205DKT)

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Size: .25MM
  • About
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OE Part #: 8C3Z6108F / 1878410C1

Dualoy Diesel pistons are cast and machined in-house to maintain the highest level of quality and consistency. All Dualoy pistons feature a high strength top ring carrier to improve strength of the top land, and resistance to the extreme heat of diesel engines. Oil cooling galleries are cast into the pistons, as required depending on the specific application.

Sold As: Piston Set with Rings

Engine Manufacturer: Ford

Engine Family: Ford PowerStroke

VIN Code: R

OE Cross Reference: 1878410C1

Engine Displacement (Liters): 6.4

Engine Displacement (cubic inches): 390

Bore Size (in): 3.866

Bore Size (mm): 98.2

Crown (cc): 37.8

Compression Ratio: 17.2:1

Top Land: 0.368

Pin Type: Floating

Year From: 2007

Bore Diameter MM: 98.2

Stroke (mm): 105

Bore Diameter IN: 3.866

Compression Height MM: 52.3

Compression Height IN: 2.059

Pin Number: 7205D-CP

Base Number: 7205D


Stroke (in): 4.134

Rod (mm): 175.9966

Ring Pack: 2.5K, 2.0mm, 3.0mm

Oversizes: STD.25mm.5mm.75mm 1.0mm

Pin Diameter (mm): 38.5

Year To: 2010

Year Range: 2007-2010

Alloy: 332

Oversized: Yes

Rod (in): 6.929

Pin Diameter (in): 1.516

Lock: 7205D-PP

Pin Configuration: Centered

Ford Powerstroke

2008 - 2010 6.4L

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PowerHouse Machining was founded with the vision of creating a one-stop-shop for all of your light duty engine needs. We pride ourselves on our industry-leading engine quality, dedication to customer service, and sincere passion for our trade.