GM Duramax 6.6L L5P V8 2017-2018 DUALOY Piston Kit with PVD Rings

Proven Diesel Parts
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  • 1× GM Duramax 6.6L L5P V8 2017-2018 DUALOY Piston Kit with PVD Rings $979.00
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DUALOY Piston & Premium Ring Kit-GM Duramax 6.6L L5P V8 2017-2018

Used on VINs before JF267082. 1st Design. Piston & Ring Kit. Iron Top Ring Insert. Coated Skirt. Cooled Crown.

Dualoy Diesel pistons are cast and machined in-house to maintain the highest level of quality and consistency. Available for most popular diesel light and medium-duty truck applications, and engine codes. 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.

Product Specifications

Sold As Sold as a piston & ring kit
Engine Manufacturer General Motors
Engine Family Duramax L5P
Eng. Disp. In. 403
Year Range 2017-2018
Oe Assembly 12686800
Bore (in) 4.055
Bore (mm) 103
Stroke (in) 3.897
Stroke (mm) 99
Oversized No
Oversize STD-.25-.50-.75-.100
Ring Pack 3.0K, 2.0mm, 3.0mm
Top Land 0.435
Pin Number 7227D-PN
Pin Type Floating
Pin Diameter (in) 1.417
Pin Diameter (mm) 36
Compression Height in 2.132
Compression Height mm 54.15
Crown (cc) 42
Alloy KSA1295
Compression Ratio 16.8:1

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