What material are these JE Pistons made from?

These pistons are forged from 2618 aluminum. This material is chosen for its high tensile strength, making it well-suited for high-demand performance applications.

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

The FSR design minimizes friction and power loss by reducing skirt width. It also saves weight with a shorter wrist pin, contributing to overall engine efficiency.

Are these pistons compatible with all 454 BBC engines?

These pistons are designed for 454 BBC engines with a 4.610 inch bore. It's important to verify that this bore size and the specific inverted dome design match your engine build's requirements. They are not CARB approved and cannot be shipped to California.

JE Pistons 454 BBC Inv Dome Piston Set 281922

Name: JE Pistons 454 BBC INV DOME Set of 8 Pistons
Brand: JE Pistons
SKU: je-pistons-je-pistons-454-bbc-inv-dome-set-of-8-pistons-t14-295854
Price: 1052.79 USD
Availability: BackOrder

JE Pistons 454 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 454 BBC Inv Dome Set of 8 Pistons. Forged in the USA from 2618 aluminum for high-demand performance.

Key Features

Fits 454 BBC engines with a 4.610 inch bore.
Set includes 8 pistons with an inverted dome design.
Forged in the USA from 2618 aluminum for high tensile strength.
Features JE Pistons' proprietary Forged Side Relief (FSR) design to minimize friction and weight.
Includes an accumulator groove (application dependent) to improve ring seal.
Skirt coating (application dependent) reduces friction, wear, and noise.

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Product Details

JE Pistons is known for making strong, reliable forged pistons that have proven themselves on the race track for over 75 years. This set of 8 pistons is built for the 454 BBC engine, featuring an inverted dome design. They are forged and machined entirely in the USA using 2618 aluminum, a material chosen for its high tensile strength, which is crucial for engines pushed to their limits.

These pistons incorporate JE Pistons' proprietary Forged Side Relief (FSR) design. This means they have a reduced skirt width and a shorter wrist pin, which helps minimize friction and power loss while also saving weight. Depending on the specific application, you might also find an accumulator groove, which helps manage combustion gas pressure to improve ring seal and keep power consistent. Some applications also include a skirt coating that further reduces friction and wear on the piston skirts and cylinder walls, which can also lead to quieter operation.

This set is designed specifically for the 454 BBC engine and its intended use, aiming for an optimal balance of performance and durability. The bore size is 4.610 inches, with a compression distance of 1.395 inches and a 0.990 inch pin diameter. Please note that these pistons are not CARB approved and cannot be shipped to California. They are also subject to California's Prop 65 warning.