JE Pistons Big Block Open Chamber FSR GP Domed Pistons 330126S

Name: JE Pistons Big Block Open Chamber FSR GP Domed Pistons
Brand: JE Pistons
SKU: JEP-330126-1
Price: 240.99 USD
Availability: InStock
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Part Number: JEP-330126-1

$240.99

JE Pistons Big Block Open Chamber FSR GP Domed Pistons

Piston, Forged, Dome, 2-Valve Reliefs, 4.500 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Each
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JE Pistons Big Block Open Chamber FSR GP Domed Pistons 330126S

JEP-330126-1

Not Yet Reviewed

Part Number: JEP-330126-1

Estimated Ship Date: Oct 19, 2026

$240.99

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Estimated Ship Date: Oct 19, 2026 Would you rather pick it up?

Overview

Brand:

JE Pistons

Manufacturer's Part Number:

330126S

Part Type:

Pistons

Product Line:

JE Pistons Big Block Open Chamber FSR GP Domed Pistons

Summit Racing Part Number:

JEP-330126-1

UPC:

193564197108

Piston Rings Included:

Bore (in.):

4.500 in.

Bore (mm):

114.300mm

Stroke:

4.250 in.

Engine Stroke Type:

Stroked

Actual Engine Displacement:

8.8L/541

Rod Length:

6.535 in.

Piston Style:

Dome, with two valve reliefs

Piston Material:

Forged aluminum

Compression Height (in.):

1.120 in.

Piston Head Volume (cc):

-42.00cc

Wrist Pin Style:

Press-fit or floating

Wrist Pin Retainers Included:

Yes

Wrist Pin Included:

Yes

Pin Diameter (in.):

0.990 in.

Piston Ring Thickness:

0.044 in. x 0.044 in. x 0.149 in.

File Fit:

Gapless:

Top Ring Thickness:

0.044 in.

Second Ring Thickness:

0.044 in.

Oil Ring Thickness:

0.149 in.

Remanufactured:

Quantity:

Sold individually.

Notes:

Made from 2618 alloy forged aluminum.

JE Pistons Big Block Open Chamber FSR GP Domed Pistons

As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for domestic applications. Engineered, forged, and 100 percent machined, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance.

JE Pistons' Big Block Open Chamber FSR GP domed pistons are their most advanced BBC pistons available. With an entirely new FSR forging to provide unmatched strength and a significant reduction in weight compared to other designs, each piston is manufactured from high-strength 2618 alloy and is compatible with all open chamber cylinder heads.

Features:

* 2618 aluminum that yields the high-tensile strength needed for high-demand performance applications
* Hollow dome FSR forging
* Lateral gas ports
* 3-D under-crown milling
* Includes wrist pins and wire locks