What material are these pistons made from?

These JE Pistons are forged from 2618 aluminum. This material is chosen for its high tensile strength, which is necessary for high-demand performance applications like racing engines.

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

The proprietary FSR design helps to minimize friction and power loss. It achieves this by reducing the piston skirt width and using a shorter wrist pin, which also saves weight.

Are these pistons compatible with all 427 BBF engines?

These pistons are designed specifically for the 427 BBF engine with a 4.250-inch bore. It's important to verify that your engine's specifications match the piston dimensions and dome volume for optimal performance and fitment.

JE Pistons 427 BBF Forged Piston Set 242930

Name: JE Pistons 427 BBF INV DOME Set of 8 Pistons
Brand: JE Pistons
SKU: je-pistons-je-pistons-427-bbf-inv-dome-set-of-8-pistons-t14-295553
Price: 1129.82 USD
Availability: BackOrder

JE Pistons 427 BBF INV DOME Set of 8 Pistons

$1129.82

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

Key Features

Set includes 8 pistons for a 427 BBF engine.
Forged in the USA using 2618 aluminum for high tensile strength.
Features an inverted dome design with a -25.0 cc volume.
Designed for a 4.250-inch bore with a 1.325-inch compression distance.
Utilizes a 0.990-inch wrist pin.
Includes proprietary Forged Side Relief (FSR) design to minimize friction and power loss.

This piston set is designed for the 427 BBF engine. Always check manufacturer specifications to confirm compatibility with your specific engine build.

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Product Details

Forged from 2618 aluminum, these JE Pistons are built for high-demand performance applications like racing. They are designed specifically for the 427 BBF engine, offering an inverted dome design with a -25.0 cc volume. This set includes eight pistons, each featuring a 4.250-inch bore, a 1.325-inch compression distance, and a 0.990-inch wrist pin. The pistons are engineered and machined 100% in the USA, drawing on JE Pistons' extensive experience in forged racing components.

JE Pistons incorporates a proprietary Forged Side Relief (FSR) design, which helps minimize friction and power loss by reducing skirt width and saving weight with a shorter wrist pin. Depending on the specific application, these pistons may also include an accumulator groove to manage combustion gas pressure, reducing ring flutter and improving ring seal for consistent power delivery. A skirt coating, also application-dependent, further reduces friction and wear on the piston skirts and cylinder walls, contributing to quieter operation.

This set is ideal for builders looking for durable, high-performance pistons for their 427 BBF engine. Please note that these pistons are not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and assembly details.