What is the advantage of forged pistons over cast pistons?

Forged pistons are made by heating and pressing aluminum into shape, making them significantly stronger and more durable than cast pistons. This strength is crucial for high-performance engines that experience high cylinder pressures and temperatures.

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

These specific shapes on the piston skirt are designed to minimize friction and wear against the cylinder walls. They allow the piston to operate smoothly and efficiently, contributing to both power output and engine longevity.

Are any special tools or procedures required for installation?

Installation of performance pistons typically requires specialized engine building knowledge and tools. Always refer to the manufacturer's detailed installation instructions for proper assembly, ring gap setting, and cylinder wall preparation.

Specifications

Brand: Manley Performance
Part #: 592900CE-8
UPC: 807298098203

Manley Chevrolet LS Piston Set - 4.125in Bore 1.115in CH, -29.00 CC

Name: Manley Chevrolet LS Piston Set - 4.125in Bore 1.115in CH, -29.00 CC
Brand: Manley Performance
SKU: manley-performance-manley-chevrolet-ls-piston-set-4-125in-bore-1-115in-ch-29-00--t14-880503
Price: 1269.53 USD
Availability: BackOrder

$1269.53

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Manley Chevrolet LS Piston Set - 4.125in Bore 1.115in CH, -29.00 CC. Forged from 2618 alloy for superior strength in high-performance LS engines.

Key Features

Fits Chevrolet LS engines with a 4.125 inch bore.
Forged from domestic 2618 alloy for superior strength and performance.
Features proven cam and barrel skirt profiles for reduced friction and cylinder wall wear.
Exacting standards for piston 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 for improved performance.

This piston set is designed for Chevrolet LS engines with a 4.125 inch bore. Always confirm compatibility with your specific engine build.

⚠️ 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

If you're building a high-performance Chevrolet LS engine, this Manley Piston Set is a solid choice for serious power. These are forged pistons, meaning they start as a solid block of aluminum that's heated and then pressed into shape. This process creates a much stronger and more durable piston than cast aluminum, which is essential when you're pushing an engine hard. The 4.125-inch bore size is common for many LS engine builds, and the -29.00cc dish helps determine your final compression ratio.

Manley uses their signature 2618 alloy for these pistons, which is known for its strength and ability to handle high temperatures and pressures. They also feature proven cam and barrel skirt profiles. These profiles are carefully shaped to reduce friction and wear on your cylinder walls while still allowing the piston to generate significant power. The ring lands and grooves are machined to very tight tolerances, which is critical for a good seal between the piston rings and the cylinder wall. A good seal means better compression, more power, and less oil getting into the combustion chamber.

Included with this set are tool steel wrist pins, which are strong enough for demanding applications. Manley also applies a moly skirt coating on select part numbers, which further reduces friction and helps with break-in. These pistons are designed for builders who need reliable components for their custom LS engines. Keep in mind 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 details.