What material are these JE Pistons made from?

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

What is the Forged Side Relief (FSR) design?

The FSR design uses a reduced skirt width and a shorter wrist pin. This construction helps to minimize friction and power loss while also saving weight.

Are these pistons compatible with all 5.4 3V engines?

These pistons are designed specifically for the 5.4 3V Modular engine and performance applications. They have a specific bore size of 3.552 inches and a compression ratio of 8.5:1. It's important to verify these specifications against your engine build.

JE Pistons 5.4 3V 8.5:1 Forged Piston Set 314672

Name: JE Pistons 5.4 3V MODULAR 8.5:1 Set of 8 Pistons
Brand: JE Pistons
SKU: je-pistons-je-pistons-5-4-3v-modular-8-5-1-set-of-8-pistons-t14-296553
Price: 950.07 USD
Availability: BackOrder

JE Pistons 5.4 3V MODULAR 8.5:1 Set of 8 Pistons

$950.07

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 5.4 3V MODULAR 8.5:1 Set of 8 Pistons. Forged in the USA from 2618 aluminum for high-demand performance.

Key Features

Fits 5.4 3V Modular engines.
Set includes 8 forged pistons.
Forged in the USA using 2618 aluminum for high tensile strength.
Features proprietary Forged Side Relief (FSR) design for reduced friction and weight.
Includes an inverted dome with a -30.3cc displacement.
Designed for a 3.552-inch bore with a 1.320-inch compression distance.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Product Details

JE Pistons is known for its extensive experience in creating high-performance forged pistons, and this set for the 5.4 3V Modular engine is a prime example. If you're rebuilding a performance engine or looking to upgrade for more demanding use, these pistons are built to handle the stress. They are forged and machined entirely in the USA, using 2618 aluminum, which offers the high tensile strength needed for these applications.

This set features JE Pistons' proprietary Forged Side Relief (FSR) design. This means they use a reduced skirt width and a shorter wrist pin, which helps minimize friction and reduce overall weight. Depending on the specific application, these pistons may also come with an accumulator groove to help manage combustion gas pressure, leading to better ring seal and consistent power delivery. Some applications also include a skirt coating designed to cut down on friction and wear between the piston skirts and cylinder walls, which can also help reduce engine noise and improve durability.

These pistons are designed specifically for the 5.4 3V engine and a performance use case, aiming for an optimized balance of performance and durability. They have a 3.552-inch bore and a compression ratio of 8.5:1, with an inverted dome that displaces -30.3cc. Please note that these pistons are not CARB approved and cannot be shipped to California. They are sold as a set of 8.