What is the purpose of the .350 dome on these pistons?

The .350 dome is a design feature that helps increase the compression ratio of your engine. This is often used in performance builds to achieve a specific compression target for improved power output.

What does the Forged Side Relief (FSR) design do?

The FSR design helps reduce friction and power loss by using a narrower skirt width. It also contributes to weight savings by allowing for a shorter wrist pin, making the piston lighter overall.

Are these pistons compatible with all 454 Big Block Chevrolet engines?

These pistons are designed for 454 BBC engines with a 4.600 inch bore. It's important to verify your engine's specific bore size and application requirements to ensure proper fitment and performance.

JE Pistons 454 BBC .350 Dome Piston Set 170673

Name: JE Pistons 454 BBC .350 DOME Set of 8 Pistons
Brand: JE Pistons
SKU: je-pistons-je-pistons-454-bbc-350-dome-set-of-8-pistons-t14-295171
Price: 1232.52 USD
Availability: BackOrder

JE Pistons 454 BBC .350 DOME Set of 8 Pistons

$1232.52

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 .350 Dome Set of 8 Pistons. Forged in the USA from 2618 aluminum for high-demand performance.

Key Features

Fits 454 BBC engines with a 4.600 inch bore.
Set includes 8 forged pistons with a .350 dome.
Forged in the USA using 2618 aluminum for high tensile strength.
Features JE Pistons' proprietary Forged Side Relief (FSR) design to minimize friction and weight.
May include an accumulator groove to reduce combustion gas pressure and improve ring seal.
Skirt coating (depending on application) reduces friction and noise.

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Product Details

Forged from 2618 aluminum, these JE Pistons are built for serious performance in your 454 Big Block Chevrolet engine. This set includes eight pistons, each featuring a .350 dome to help achieve your desired compression ratio. The 4.600-inch bore size is specific for this application, ensuring a proper fit within your engine block.

JE Pistons brings over 75 years of experience to the table, and these pistons are a testament to that. They utilize a proprietary Forged Side Relief (FSR) forging design, which helps minimize friction and power loss by reducing skirt width. This design also saves weight by using a shorter wrist pin. Depending on the specific application, an accumulator groove might be included to help reduce combustion gas pressure, which can prevent ring flutter and improve ring seal for more consistent power delivery. Some applications also feature a skirt coating that further reduces friction and wear on the skirts and cylinder walls, while also helping to quiet down the engine's operating noise.

Every component in this set is forged and machined 100% in the USA, ensuring a well-built product ready for high-demand performance applications. These pistons are designed specifically for the 454 BBC engine and its intended use, aiming for an optimized balance of performance and durability. Please note that this part is not CARB approved and cannot be shipped to California.