What is the compression ratio of these pistons?

These JE Pistons feature a 9.5:1 compression ratio. This ratio is often chosen for performance builds that aim for a good balance of power and the ability to run on pump gasoline.

What materials are these pistons made from?

These pistons are forged from 2618 aluminum, a material known for its high tensile strength. This makes them well-suited for high-demand performance applications where durability is critical.

Are these pistons compatible with all 5.4L 2V Modular engines?

While designed for the 5.4L 2V Modular engine platform, specific fitment details like bore size and compression distance should always be verified against your engine's specifications. These pistons have a 3.622-inch bore and a -30.5cc dish volume.

JE Pistons 5.4 2V Modular 9.5:1 Piston Set 314664

Name: JE Pistons 5.4 2V MODULAR 9.5:1 Set of 8 Pistons
Brand: JE Pistons
SKU: je-pistons-je-pistons-5-4-2v-modular-9-5-1-set-of-8-pistons-t14-296546
Price: 950.07 USD
Availability: BackOrder

JE Pistons 5.4 2V MODULAR 9.5:1 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 2V MODULAR 9.5:1 Set of 8 Pistons. Forged in the USA from 2618 aluminum for high-demand performance.

Key Features

Fits 5.4L 2V Modular engines.
Set includes 8 forged pistons.
Features a 9.5:1 compression ratio.
Forged in the USA from 2618 aluminum for high tensile strength.
Proprietary Forged Side Relief (FSR) design minimizes friction and power loss.
Includes accumulator groove (application dependent) to reduce combustion gas pressure and improve ring seal.

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Product Details

If you're rebuilding the engine in your 5.4L 2V Modular Ford, a set of high-performance pistons is key to unlocking its full potential. These JE Pistons are built for demanding applications where durability and consistent power are essential. They feature a 9.5:1 compression ratio, making them a solid choice for many performance builds looking for a balance between power and pump gas compatibility.

JE Pistons has been a leader in forged racing pistons for over 75 years, and this set is a testament to that experience. Forged from 2618 aluminum right here in the USA, these pistons offer the high tensile strength needed for high-demand performance. They incorporate JE's proprietary Forged Side Relief (FSR) design, which helps minimize friction and power loss by reducing skirt width. This design, along with a shorter wrist pin, also saves weight. Depending on the specific application, these pistons may also include an accumulator groove to reduce combustion gas pressure, improving ring seal and maintaining consistent power. Some applications also feature a skirt coating to further reduce friction and wear on the piston skirts and cylinder walls, which also helps quiet down engine noise.

This set includes eight pistons, each with a 3.622-inch bore and a -30.5cc dish volume, contributing to the 9.5:1 compression ratio. The 1.320-inch compression distance and 0.866-inch wrist pin diameter are standard for many performance 5.4L 2V Modular builds. Please note that these pistons are not CARB approved and cannot be shipped to California. For optimal performance and longevity, always refer to the manufacturer's installation instructions and recommended assembly procedures.