Dualoy Pistons



2001-2005 Duramax 6.6L LB7/LLY Dualoy Reduced Compression Height Piston & Ring Kit (7218DKT)


  • Inventory on the way

$1,226.00

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: Kit 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

Crown (cc): +38cc

Top Land: 0.394

Pin Type: Floating

Rod (mm): 163

Stroke (mm): 99

Compression Height MM: 49.53

Ring Pack: 3.0K, 2.0mm, 3.0mm

Bore Diameter IN: 4.055

Oversizes: STD.50mm,.75mm, 1.0mm

Bore Diameter MM: 103

Compression Height IN: 1.95

Year From: 2001

Pin Configuration: Offset

Rod (in): 6.42

Alloy: 332

Pin Diameter (in): 1.358

Oversized: Yes

Pin Number: 7208D-PP

Pin Diameter (mm): 34.5

Oversize: .50mm

Base Number: 7218D

Year Range: 2001-2005

Year To: 2005

Crown Type: CONTOURED HEAD

Model: C&K Series Truck

Stroke (in): 3.898

GM Duramax

2001 - 2005

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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.