2004.5-2007 Cummins 5.9L 24V Mahle PowerPak Forged Race Piston & Ring Set - 15.7:1 - 0.040" Over (197946255)
This six-piston kit pairs a 4.055" bore with a 2004.5-2007 bowl and 0.100" valve pockets. The forged aluminum pistons have coated skirts and hard-anodized top ring grooves. Mahle lists 15.7:1 compression with piston protrusion of 0.010" and a 0.060" x 4.150" head gasket.
Includes
- Set of 6 pistons with bore-matched Mahle rings
Specifications:
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Part number: 197946255
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Application / piston design: CUMMINS 5.9L B-Series Forged Aluminum Race Pistons - 24V w/ 0.100” deep valve pockets
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Displacement: 366 cu. in.
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Bore: 4.055 in.
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Stroke: 4.724 in.
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Rod length: 7.559 in.
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Compression height: 2.805 in.
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Pin diameter: 1.575 in.
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Crown volume: -51.0cc
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Piston weight: 1234 g
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Compression ratio: 15.7:1
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Piston alloy / material: M142P
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Clearance measuring point: 0.500 in.
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Minimum clearance: 0.0076 in.
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Maximum clearance: 0.0084 in.
CH reduced 0.010”, Modified version of the 04.5-07 bowl, Coated skirt and Hard Anodized top ring groove - Ring Set (9300440xx-6) Included
CR calculated with 0.010” piston protrusion above deck and 0.060 x 4.150” head gasket 6cc
Set of 6 pistons with bore-matched Mahle rings
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