What is the primary material used for these Manley pistons?

These Manley Platinum Series pistons are forged from domestic 2618 alloy. This material is chosen for its superior strength and performance characteristics, making it well-suited for demanding engine applications.

What is the purpose of the cam and barrel skirt profiles?

The cam and barrel profiles on the piston skirts are designed to manage piston-to-wall clearance. This helps to reduce noise and minimize wear on the cylinder walls while still allowing the piston to function effectively and generate power.

Are these pistons compatible with all 4.6L V8 engines?

This specific piston set (Part# 594420C-8) is designed for 4.6L/281 V8 engines with a 5.933-inch connecting rod and a 3.543-inch stroke, fitting specific model years of the Ford F-150, F-250/350 Super Duty, Ford GT, and Ford Mustang. It's important to verify fitment for your exact vehicle and engine configuration.

Specifications

Brand: Manley Performance
Part #: 594420C-8
UPC: 807298045665

Manley 91-08 Lincoln V8 4.6L/281 Platinum Series Piston Set 5.933in Rod 3.543in Stroke - Set of 8

Name: Manley 91-08 Lincoln V8 4.6L/281 Platinum Series Piston Set 5.933in Rod 3.543in Stroke - Set of 8
Brand: Manley Performance
SKU: manley-performance-manley-91-08-lincoln-v8-4-6l-281-platinum-series-piston-set-5-t14-321432
Price: 979.24 USD
Availability: BackOrder

$979.24

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Fits 1997-2008 Ford F-150. Manley Platinum Series forged pistons for your 4.6L V8. Built with 2618 alloy for superior strength and performance.

Key Features

Fits 1997-2008 Ford F-150, 2006-2008 Ford F-250 Super Duty, 2006-2008 Ford F-350 Super Duty, 2005-2006 Ford GT, 1996-2004 and 2007-2008 Ford Mustang.
Constructed from domestic 2618 alloy forgings for superior strength and performance.
Features proven cam and barrel skirt profiles that reduce wear on cylinder walls.
Exacting standards for ring lands and grooves ensure enhanced ring seal and more power.
Includes tool steel wrist pins for added durability.
Moly skirt coatings are applied to select part numbers to reduce friction and wear.

⚠️ 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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About this part

Product Details

Starting with domestic 2618 alloy forgings, these Manley Platinum Series pistons are built for serious engine work. They're designed for the 4.6L/281 V8 engines found in a range of Ford vehicles, including the 1997-2008 F-150, 2005-2006 Ford GT, and 1996-2008 Mustang. If you're rebuilding your top end or looking for an upgrade that can handle more power, these pistons are a solid choice for professional engine builders and tuners.

Manley uses proven cam and barrel skirt profiles that help manage piston-to-wall clearance, reducing noise and wear on your cylinder walls while still allowing for substantial power gains. The ring lands and grooves are machined to strict standards, which is crucial for getting a good seal from your piston rings and maximizing compression. Each set includes tool steel wrist pins for added durability, and the moly skirt coatings further reduce friction and wear. Manley's unique fixturing process ensures the ring grooves are perfectly square to the piston skirt, a detail that matters for consistent performance under load.

This set is for a set of 8 pistons, designed to work with a 5.933-inch connecting rod and a 3.543-inch stroke. 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 procedures.