JE Pistons 426 Hemi Blown Alcohol Series Pistons 178003S

Name: JE Pistons 426 Hemi Blown Alcohol Series Pistons
Brand: JE Pistons
SKU: JEP-178003-1
Price: 240.99 USD
Availability: InStock
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Part Number: JEP-178003-1

$240.99

JE Pistons 426 Hemi Blown Alcohol Series Pistons

Piston, Forged, Dome, 2-Valve Reliefs, 4.310 in. Bore, 3.750 in. Stroke, 6.860 in. Rod, 1.612 in. Compression, Mopar, 426 Hemi, Each
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JE Pistons 426 Hemi Blown Alcohol Series Pistons 178003S

JEP-178003-1

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Part Number: JEP-178003-1

Estimated Ship Date from Texas: Today

$240.99

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Overview

Brand:

JE Pistons

Manufacturer's Part Number:

178003S

Part Type:

Pistons

Product Line:

JE Pistons 426 Hemi Blown Alcohol Series Pistons

Summit Racing Part Number:

JEP-178003-1

UPC:

193564193919

Piston Rings Included:

Bore (in.):

4.310 in.

Bore (mm):

109.474mm

Stroke:

3.750 in.

Engine Stroke Type:

Stock

Actual Engine Displacement:

7.0L/426

Rod Length:

6.860 in.

Piston Style:

Dome, with no valve reliefs

Piston Material:

Forged aluminum

Compression Height (in.):

1.612 in.

Piston Head Volume (cc):

0.00cc

Wrist Pin Style:

Press-fit or floating

Wrist Pin Retainers Included:

Yes

Wrist Pin Included:

Yes

Pin Diameter (in.):

1.094 in.

Piston Ring Thickness:

0.075 in. x 0.064 in. x 0.188 in.

File Fit:

Gapless:

Top Ring Thickness:

0.075 in.

Second Ring Thickness:

0.064 in.

Oil Ring Thickness:

0.188 in.

Remanufactured:

Quantity:

Sold individually.

Notes:

Made from 2618 alloy forged aluminum.

JE Pistons 426 Hemi Blown Alcohol Series Pistons

JE Pistons 426 Hemi Blown Alcohol Series pistons are high performance forged aluminum replacements built specifically for high-boost, supercharged (blown) alcohol drag racing engines based on the Chrysler 426 Hemi architecture. The pistons are available individually or in sets of eight.

Key features and construction:

* Material: Forged from high-tensile strength 2618 aluminum alloy, designed to handle the extreme cylinder pressures and demanding loads of boosted racing applications
* Forged side relief (FSR): A proprietary skirt design that reduces skirt width to minimize friction, power loss, and overall weight, often paired with a shorter wrist pin
* Skirt coating: Specialized outer coatings that decrease wear and friction between the piston skirt and the cylinder wall
* Accumulator grooves: Machined channels that help vent combustion gas pressure from the top ring land to reduce ring flutter and improve ring seal
* Precision machining: Tailored ring grooves and valve reliefs designed to accommodate specialized racing ring packages (such as Dykes-style top rings) and oversized valves