What material are these pistons made from and why is it important?

These pistons are forged from 2618 aluminum, a material chosen for its high tensile strength. This is critical for high-performance engines that experience significant stress and heat, ensuring the pistons can withstand demanding conditions.

What is the benefit of the Forged Side Relief (FSR) design?

The FSR design helps to minimize friction and power loss by reducing the piston skirt width. It also saves additional weight by utilizing a shorter wrist pin, contributing to overall engine efficiency and performance.

Are these pistons compatible with all big block Chevrolet engines?

This set is designed for a specific bore size of 4.530 inches. While intended for big block Chevrolet applications, you must confirm this bore size matches your engine's requirements to ensure proper fitment.

JE Pistons BBC Inv Dome Piston Set 257948

Name: JE Pistons BBC INV DOME Set of 8 Pistons
Brand: JE Pistons
SKU: je-pistons-je-pistons-bbc-inv-dome-set-of-8-pistons-t14-295633
Price: 1052.79 USD
Availability: BackOrder

JE Pistons BBC INV DOME Set of 8 Pistons

$1052.79

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

JE Pistons BBC INV DOME Set of 8 Pistons. Forged in the USA using 2618 aluminum for high-demand performance.

Key Features

Set of 8 pistons designed for big block Chevrolet engines.
Forged in the USA using 2618 aluminum for high tensile strength.
Features JE Pistons' proprietary Forged Side Relief (FSR) design to minimize friction and power loss.
Includes an inverted dome design with a -28.0 cc volume.
Designed for a 4.530 inch bore with a 1.395 inch compression distance and a 0.990 inch wrist pin.
Made 100% in the USA.

This piston set is designed for big block Chevrolet engines with a 4.530 inch bore. Please verify compatibility with your specific engine build.

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Product Details

If you're building a high-performance big block Chevrolet engine, getting the right pistons is crucial for durability and power. This set of 8 JE Pistons is designed specifically for those demanding applications, using advanced forging techniques to ensure your engine can handle the stress of racing or serious street performance.

These pistons are forged in the USA from 2618 aluminum, a material known for its high tensile strength, which is exactly what you need when pushing an engine hard. JE Pistons incorporates their proprietary Forged Side Relief (FSR) design, which helps reduce friction and power loss by using a narrower skirt and a shorter wrist pin, saving weight where it counts. Depending on the specific application, you might also find an accumulator groove to help manage combustion gas pressure, leading to better ring seal and consistent power delivery. Some applications also feature a skirt coating that further reduces friction and wear on the piston skirts and cylinder walls, while also helping to quiet down engine noise.

This set is designed for a 4.530 inch bore and includes all 8 pistons. They are made 100% in the USA, reflecting JE Pistons' commitment to quality and performance. Keep in mind that these pistons are not CARB approved and cannot be shipped to California.