What is the purpose of the -12cc dish on these pistons?

The -12cc dish is a specific volume machined into the top of the piston. It's designed to reduce the compression ratio, which is essential for certain engine builds, especially those using forced induction or specific camshaft profiles. This helps prevent detonation and allows for more aggressive tuning.

What are the benefits of using 2618 alloy forgings?

2618 alloy is chosen for its excellent strength and ductility at elevated temperatures. This means the pistons can withstand the high pressures and heat generated in performance engines without cracking or deforming, offering superior durability compared to cast aluminum.

Are any special tools or components needed for installation?

While these pistons are designed for a direct fit in the specified 5.7L Hemi engines, professional installation is highly recommended. You will need appropriate engine building tools, torque wrenches, and likely new piston rings and bearings, which are typically sold separately. Always consult the manufacturer's installation guide for specific requirements.

Specifications

Brand: Manley Performance
Part #: 597120CE-8

Manley Chrysler 5.7L Hemi Stock Stroke 3.937in Bore -12cc Dish Extreme Duty Pistons - Set of 8

Name: Manley Chrysler 5.7L Hemi Stock Stroke 3.937in Bore -12cc Dish Extreme Duty Pistons - Set of 8
Brand: Manley Performance
SKU: manley-performance-manley-chrysler-5-7l-hemi-stock-stroke-3-937in-bore-12cc-dish-t14-567039
Price: 1432.29 USD
Availability: BackOrder

$1432.29

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Manley Chrysler 5.7L Hemi Stock Stroke 3.937in Bore -12cc Dish Extreme Duty Pistons - Set of 8. Forged 2618 alloy for superior strength.

Key Features

This set includes eight Manley Extreme Duty pistons.
Designed for Chrysler 5.7L Hemi engines with a 3.937-inch bore and stock stroke.
Each piston has a -12cc dish to help achieve the desired compression ratio.
Constructed from domestic 2618 alloy forgings for superior strength and performance.
Features proven cam and barrel skirt profiles for power generation and cylinder wall protection.
Exacting ring lands and grooves ensure enhanced ring seal for more power.

These pistons are designed for Chrysler 5.7L Hemi engines with a 3.937-inch bore and stock stroke. They are not CARB approved and cannot be shipped to California.

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About this part

Product Details

This set includes eight Manley Extreme Duty pistons, designed for Chrysler 5.7L Hemi engines with a stock stroke and a 3.937-inch bore. Each piston features a -12cc dish, which is crucial for achieving the correct compression ratio in your build. These pistons are built using Manley's signature 2618 alloy forgings, a domestic material known for its exceptional strength and performance under demanding conditions.

Manley has incorporated proven cam and barrel skirt profiles into these pistons. This design helps generate significant power while also being gentle on your cylinder walls, reducing wear over time. The pistons also feature exacting ring lands and grooves, machined to strict standards to ensure enhanced ring seal, which directly translates to more power. For added durability, they come standard with premium chrome moly wrist pins, and Manley's unique fixturing process ensures ultimate squareness between the ring grooves and the skirt, a detail professional engine builders rely on.

These pistons are a solid option for anyone rebuilding a 5.7L Hemi engine who needs robust components for improved performance and durability. Keep in mind that these are not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and assembly details.