What material are these JE Pistons made from?

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

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

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

Are these pistons compatible with all 4.6L 3V Modular engines?

This set is designed for 4.6L 3V Modular engines and has an 11:1 compression ratio. It's important to ensure this compression ratio is suitable for your specific build and supporting modifications. Note that they are not CARB approved and cannot be shipped to California.

JE Pistons 4.6 3V Modular 11:1 Forged Piston Set 314603

Name: JE Pistons 4.6 3V MODULAR 11:1 Set of 8 Pistons
Brand: JE Pistons
SKU: je-pistons-je-pistons-4-6-3v-modular-11-1-set-of-8-pistons-t14-296489
Price: 950.07 USD
Availability: BackOrder

JE Pistons 4.6 3V MODULAR 11:1 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 4.6 3V MODULAR 11:1 Set of 8 Pistons. Built in the USA for high-demand performance.

Key Features

Fits 4.6L 3V Modular engines.
Set includes 8 forged pistons with an 11:1 compression ratio.
Made in the USA from 2618 aluminum for high tensile strength.
Features proprietary Forged Side Relief (FSR) design to minimize friction and power loss.
Includes an accumulator groove (application dependent) to improve ring seal.
Skirt coating (application dependent) reduces friction and wear while lowering operating noise.

This piston set is designed for 4.6L 3V Modular engines. Not CARB approved and cannot ship to California.

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Product Details

If you're rebuilding the top end of your 4.6L 3V Modular engine for serious performance, a set of high-quality pistons is where you start. These JE Pistons are built with an 11:1 compression ratio, designed to give your engine a noticeable boost in power and responsiveness when paired with the right supporting modifications. They are forged in the USA from 2618 aluminum, a material chosen for its high tensile strength, which is crucial for handling the stresses of high-performance applications.

JE Pistons brings over 75 years of experience to the table, and these pistons reflect that. They feature a proprietary Forged Side Relief (FSR) design that helps reduce friction and skirt wear, contributing to both durability and efficiency. Depending on the specific application, you might also find an accumulator groove to help manage combustion gas pressure, improving ring seal and keeping power consistent. Some applications also include a skirt coating to further reduce friction and noise, making for a smoother running, more powerful engine.

This set includes eight pistons, each with a 3.562-inch bore, a 1.220-inch compression distance, and an 0.866-inch wrist pin. They are made 100% in the USA, ensuring you're getting a well-built component for your performance build. Please note that these pistons are not CARB approved and cannot be shipped to California.