What is the compression ratio of these pistons?

These JE Pistons feature a compression ratio of 8.5:1. This is a popular choice for engines that are supercharged or turbocharged, as it helps to prevent detonation under boost.

Are these pistons a direct fit for my 5.4L Ford?

This set is designed to fit many 5.4L Ford engines, including specific years of the F-150, F-250, F-350 Super Duty, and Mustang. It's always recommended to verify fitment for your specific vehicle year and model.

What is included in this set?

This product is a set of eight forged pistons. It does not include piston rings, wrist pins, or locks, which are typically sold separately.

JE Pistons Forged Piston Set 8.5:1 CR 227127

Name: JE Pistons 5.4L FORD 8.5:1 Set of 8 Pistons
Brand: JE Pistons
SKU: je-pistons-je-pistons-5-4l-ford-8-5-1-set-of-8-pistons-t14-295493
Price: 950.07 USD
Availability: BackOrder

JE Pistons 5.4L FORD 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 5.4L FORD 8.5:1 Set of 8 Pistons. Forged construction for high-performance 5.4L Ford engines.

Key Features

Fits a wide range of 5.4L Ford vehicles including F-150, F-250, and Mustang models.
Forged aluminum construction offers improved strength and durability over cast pistons.
8.5:1 compression ratio is suitable for boosted or naturally aspirated performance builds.
Set includes eight pistons for a complete V8 engine rebuild.
Designed as a direct replacement for many 5.4L Ford applications.

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Will this fit your vehicle?

Product Details

Forged from high-strength aluminum alloy, these JE Pistons are built to handle the demands of a high-performance 5.4L Ford engine. The 8.5:1 compression ratio is a solid choice for boosted applications or for those looking to build a more robust naturally aspirated setup. This set includes eight pistons, enough for a full engine rebuild on your V8.

JE Pistons are well-known for their durability and precision. This set is designed to be a direct replacement for many 5.4L Ford applications, including models like the F-150, F-250, and Mustang. The forged construction means these pistons are stronger and more resistant to detonation than cast pistons, making them a popular choice when you're pushing the limits of your engine. They are designed to work with standard bore sizes, but always double-check your cylinder wall condition and measurements before installation.

When rebuilding your 5.4L Ford, choosing quality internal components is key. This set of JE Pistons offers a strong foundation for your project. Remember that these pistons are not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation guide for specific details regarding ring installation, piston-to-wall clearance, and assembly procedures.