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JE Pistons Chevrolet Big Block Piston - 4.500 in. Bore - 1.395 in. CH - 42.00 CC - Single Piston

SKU: JEP258261S

Pistons

JE Single Pistons...

JE Pistons Chevrolet Big Block Piston - 4.500 in. Bore - 1.395 in. CH - 42.00 CC - Single Piston

SKU: JEP258261S

Pistons

JE Single Pistons...

A$405.13
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Piston

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 machined 100% in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From dirt track to drag strip, JE Pistons? performance is proven in victory lane time and time again. Equip your engine with the best in forged pistons.

Additional Information

JE, Chevrolet, Big Block Chevrolet, 4.500 in. Bore, 1.395 CD, Dome, Single Piston

Application Summary

Chevrolet Big Block 502

Part Type

Engine Piston

Data: v4.2 - Upd: 2026-11-09 08:04:48

Features

  • Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applicationsDesigned specifically for each engine and use application to provide optimized performance durabilityProprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pinSkirt coating (depending on application) reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noiseAccumulator groove (depending on application) helps reduce pressure from combustion gases, reducing ring fluttering and improving ring seal for consistent powerMade 100% in the USA

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 04:05:48

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

(keyword: pistons)

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s JE Pistons
StreetFX SKU jep258261S
SFX Item ID 4363308
Accounting SKU jep-258261S
Manufacturer SKU 258261S
Manufacturer UPC 193564196156
Alternative References 258261S, JEP-258261-1

Piston, Forged, Dome, 4.500 in. Bore, Chevy, Each

JE Pistons big block open chamber dome top pistons are an excellent choice for drag race applications. Their compression height is figured using a 9.780 in. block height with zero deck clearance. The pistons include a pin, double Spiro locks, and double pin oilers. Their precision CNC-machined ring grooves will accept 1/16, 1/16, 3/16 rings.

Product Attributes
BrandJE Pistons
Manufacturer's Part Number258261S
Part TypePistons
Product LineJE Pistons Big Block Open Chamber Dome Top Pistons
UPC193564196156
Piston Rings IncludedNo
Bore (in.)4.500 in.
Bore (mm)114.300mm
Stroke4.000 in.
Engine Stroke TypeStroked
Rod Length6.385 in.
Piston StyleDome, with two valve reliefs
Piston MaterialForged aluminum
Compression Height (in.)1.395 in.
Piston Head Volume (cc)-42.00cc
Wrist Pin StylePress-fit or floating
Wrist Pin Retainers IncludedNo
Wrist Pin IncludedYes
Pin Diameter (in.)0.990 in.
Piston Ring Thickness1/16 in. x 1/16 in. x 3/16 in.
File FitNo
GaplessNo
RemanufacturedNo
QuantitySold individually.

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