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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$391.05
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

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.

Application Summary

Chevrolet Big Block 502

Part Type

Engine Piston

Data: v4.2 - Upd: 2026-10-13 21:36:20

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

Specifications

Product Attributes - Brand
JE Pistons
Product Attributes - Manufacturer's Part Number
258261S
Product Attributes - Part Type
Pistons
Product Attributes - Product Line
JE Pistons Big Block Open Chamber Dome Top Pistons
Product Attributes - UPC
193564196156
Product Attributes - Piston Rings Included
No
Product Attributes - Bore (in.)
4.500 in.
Product Attributes - Bore (mm)
114.300mm
Product Attributes - Stroke
4.000 in.
Product Attributes - Engine Stroke Type
Stroked
Product Attributes - Rod Length
6.385 in.
Product Attributes - Piston Style
Dome, with two valve reliefs
Product Attributes - Piston Material
Forged aluminum
Product Attributes - Compression Height (in.)
1.395 in.
Product Attributes - Piston Head Volume (cc)
-42.00cc
Product Attributes - Wrist Pin Style
Press-fit or floating
Product Attributes - Wrist Pin Retainers Included
No
Product Attributes - Wrist Pin Included
Yes
Product Attributes - Pin Diameter (in.)
0.990 in.
Product Attributes - Piston Ring Thickness
1/16 in. x 1/16 in. x 3/16 in.
Product Attributes - File Fit
No
Product Attributes - Gapless
No
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s JE Pistons
StreetFX SKU jep258261S
SFX Item ID 4363308
Supplier Item Code 4363308
Manufacturer SKU 258261S
Manufacturer UPC 193564196156
Alternative References JEP-258261-1

Compatibility

Chevrolet Big Block 502

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