Dualoy Pistons



2001-2005 Duramax 6.6L LB7/LLY Dualoy Piston & Ring Kit (7208DKT)


  • Inventory on the way

$1,231.00

Size: .25MM
  • About
  • Specs
  • Fits

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: GM

Engine Family: LB7/LLH Duramax

OE Cross Reference: 97303755-R, 224-3452-R

Engine Displacement (Liters): 6.6

Engine Displacement (cubic inches): 403

Bore Size (in): 4.055

Bore Size (mm): 103

Crown (cc): +38cc

Compression Ratio: 17.5:1

Top Land: 0.394

Pin Type: Floating

Lock: 7208D-CP

Year From: 2001

Compression Height IN: 1.96

Bore Diameter MM: 103

Pin Configuration: Offset

Year To: 2005

Ring Pack: 3.0K, 2.0mm, 3.0mm

Compression Height MM: 49.8

Oversized: Yes

Pin Diameter (mm): 34.5

Rod (mm): 163

Year Range: 2001-2005

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

Crown Type: CONTOURED HEAD

Pin Number: 7208D-PP

Base Number: 7208D

Alloy: 332

Oversize: .50mm

Stroke (mm): 99

Rod (in): 6.42

Model: C&K Series Truck

Pin Diameter (in): 1.358

Stroke (in): 3.898

GM Duramax

2001 - 2005 6.6L LB7/LLY

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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.