What material are these JE Pistons made from?

These pistons are forged from 2618 aluminum. This material is chosen for its high tensile strength, which is necessary for high-demand performance applications.

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

The FSR design helps to minimize friction and power loss. It achieves this through a reduced skirt width and a shorter wrist pin, which also saves weight.

Are these pistons compatible with all BBC engines?

These pistons are designed for BBC engines and feature a 4.350-inch bore. You should confirm that this bore size and the other specifications, like pin size and dome volume, match your specific engine build requirements.

JE Pistons BBC .675 Dome Piston Set 258259

Name: JE Pistons BBC .675 DOME Set of 8 Pistons
Brand: JE Pistons
SKU: je-pistons-je-pistons-bbc-675-dome-set-of-8-pistons-t14-295731
Price: 1052.79 USD
Availability: BackOrder

JE Pistons BBC .675 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 .675 DOME Set of 8 Pistons. Forged in the USA from 2618 aluminum for high-demand performance.

Key Features

This is a set of 8 pistons for BBC engines.
Forged in the USA using 2618 aluminum for high tensile strength.
Features a proprietary Forged Side Relief (FSR) design to minimize friction and power loss.
Includes a 0.990 inch pin.
Designed specifically for each engine and use application for optimized performance and durability.
4.350 inch bore size with a 47.0 cc dome volume.

This is a universal piston set for BBC engines. Please verify bore size and other specifications match your engine's requirements.

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Product Details

This is a set of eight JE Pistons, specifically designed for BBC (Big Block Chevrolet) engines. You get the pistons themselves, ready to be installed in your build. These are forged from 2618 aluminum, a material known for its high tensile strength, making it well-suited for high-demand performance applications where durability is key.

JE Pistons has been making performance parts for a long time, and these pistons reflect that experience. They feature a proprietary Forged Side Relief (FSR) design, which helps minimize friction and power loss by using a reduced skirt width. This design also saves weight by using a shorter wrist pin. Depending on your specific application, these pistons might also include an accumulator groove, which helps manage combustion gas pressure to reduce ring flutter and improve ring seal for consistent power delivery. Some applications also come with a skirt coating that works to reduce friction and wear on the piston skirts and cylinder walls, which can also help quiet down engine noise.

These pistons are made 100% in the USA, with a 4.350-inch bore size and a dome volume of 47.0 cc. They use a 0.990-inch pin. Keep in mind that these are not CARB approved and cannot be shipped to California. If you're building a high-performance engine, these pistons are a solid option to consider for their robust construction and proven design.