JE Pistons 118758 Forged 426 Hemi Dome 4.280 Bore

JE Pistons, Chrysler Hemi 431, Bore 4.280, Stroke 3.750, Rod Length 6.860, Dome +88cc, 829 Grams, Set of 8

$1,076.99

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⚠ PROP 65 WARNING

⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.

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Description

JE pistons machined from high Silicon 4032 alloy for tighter, quieter running clearances (part # 131834 is manufactured from 2618 alloy which by design requires slightly more cylinder to piston clearance). All part numbers utilize an application-specific forging for a more efficient dome shape. These pistons are the perfect choice for your street Hemi engine. Valve pockets have been engineered to accommodate oversized valves and long duration, tight lobe separation cams. The 4032 alloy pistons are precision CNC machined for 5/64, 5/64, 3/16 factory-style rings. 2618 alloy pistons are CNC machined for 1/16, 1/16, 3/16 rings.

Includes:

Pin #031-2930-17-51S (175g)

Double spiro locks (#031-042-CS)

Compression Ratio:

168cc 10.8:1

174cc 10.2:1

Specifications

More Information
CNC Part Number	JE-118758
Price	$1,076.99
Sold As	Set
Manufacturer's Part Number	118758
Brands	JE
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chrysler Hemi
Bore Size	4.280
Crankshaft Stroke	3.750
Rod Length	6.860
Piston Type	Dome
Compression Height	1.955
Piston Material	4032 Forged
Piston Ring Size	5/64 5/64 3/16
Wrist Pin Size	1.031
Custom Notices	⚠ PROP 65 WARNING