What is the bore size and oversize for these pistons?

These pistons are +.005 inch oversize, meaning they are designed for a 4.095 inch bore. This is a common size for engines that have been bored out slightly during a rebuild.

What material are the pistons made from and why is it important?

The pistons are forged from domestic 2618 alloy. This material is chosen for its superior strength and ability to perform under high stress, making it ideal for performance and racing applications.

What is included with this piston set?

This set includes eight forged pistons and eight premium chrome moly wrist pins. Ring sets are typically sold separately and should be chosen based on your specific application and bore size.

Specifications

Brand: Manley Performance
Part #: 598905C-8
UPC: 807298094762

Manley Chrysler Hemi 6.4L Stock Stroke +.005in Oversize/4.095in Bore -12.5cc Dish Piston Set

Name: Manley Chrysler Hemi 6.4L Stock Stroke +.005in Oversize/4.095in Bore -12.5cc Dish Piston Set
Brand: Manley Performance
SKU: manley-performance-manley-chrysler-hemi-6-4l-stock-stroke-005in-oversize-4-095in-t14-111418
Price: 1004.51 USD
Availability: BackOrder

$1004.51

On Backorder

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Manley Chrysler Hemi 6.4L Stock Stroke +.005in Oversize/4.095in Bore -12.5cc Dish Piston Set. Forged from 2618 alloy for superior strength and durability.

Key Features

This set includes eight forged pistons for Chrysler Hemi 6.4L engines.
Pistons are +.005 inch oversize with a 4.095 inch bore diameter.
Features a -12.5cc dish volume for setting compression ratio.
Constructed from domestic 2618 alloy forgings for superior strength and performance.
Includes premium chrome moly wrist pins for added durability.
Precision machined ring lands and grooves ensure enhanced ring seal and power.

These pistons are designed for Chrysler Hemi 6.4L engines with a 4.095 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

This set includes eight forged pistons for your Chrysler Hemi 6.4L engine. These pistons are designed for a stock stroke application and are +.005 inch oversize, meaning they have a bore diameter of 4.095 inches. They feature a -12.5cc dish volume, which is important for setting your compression ratio. Manley uses domestic 2618 alloy forgings, known for their strength and ability to handle high performance demands. This material choice is a key factor in ensuring these pistons can withstand the rigors of a performance build.

You'll also find that these pistons come with premium chrome moly wrist pins, which are built for durability. Manley pays close attention to the details, adhering to strict standards for the ring lands and grooves. This precision work helps achieve a better seal with your piston rings, which translates directly into more power. The pistons feature cam and barrel skirt profiles, a design that helps generate power while also being considerate of your cylinder walls during operation. Manley's unique fixturing process allows them to machine the skirt and ring grooves in a single setup, ensuring the ring grooves are perfectly square to the skirt for optimal performance and longevity.

These pistons are a solid option for professional engine builders and tuners looking for reliable components for their performance builds. 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.