What is the compression ratio with these pistons?

These pistons feature a dome design with a -13.3cc volume, which results in a 9.5:1 compression ratio when installed in the MZR 2.3L engine. This is a common target for many performance builds.

What material are the pistons made from?

The pistons are forged from domestic 2618 alloy. This material is chosen for its superior strength and performance characteristics, making it suitable for demanding engine applications.

Are these pistons legal for use in California?

No, these pistons are not CARB approved and cannot be shipped to California. Please check local regulations regarding emissions compliance for engine modifications.

Specifications

Brand: Manley Performance
Part #: 630002C-4
UPC: 807298108872

Manley MazdaSpeed 3 MZR 2.3L 87.75mm Bore -13.3cc Dome 9.5:1 CR Pistons w/ Rings - Set of 4

Name: Manley MazdaSpeed 3 MZR 2.3L 87.75mm Bore -13.3cc Dome 9.5:1 CR Pistons w/ Rings - Set of 4
Brand: Manley Performance
SKU: manley-performance-manley-mazdaspeed-3-mzr-2-3l-87-75mm-bore-13-3cc-dome-9-5-1-c-t14-205535
Price: 758.81 USD
Availability: InStock

$758.81

Only 2 left in stock

Fits 2007-2013 Mazda 3. Manley forged pistons for MZR 2.3L engines, offering improved strength and power.

Key Features

Fits 2007-2013 Mazda 3.
Set of 4 forged pistons for the MZR 2.3L engine.
Constructed from domestic 2618 alloy forgings for superior strength.
Features proven cam and barrel skirt profiles for power and cylinder wall protection.
Precisely machined ring lands and grooves enhance piston ring seal.
Includes premium Chrome Moly wrist pins for added durability.

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About this part

Product Details

Manley Performance is well-known for building strong engine components that professional builders trust. If you're working on a 2007-2013 Mazda 3 and need to rebuild or upgrade your engine, these pistons are a solid choice. They are designed for the MZR 2.3L engine and come as a set of four, ready to go into your build.

These pistons are forged from 2618 alloy, which is a strong material that holds up well under the demands of an engine. Manley uses proven cam and barrel skirt profiles that help make good power while also being easier on your cylinder walls. The ring lands and grooves are machined to strict standards, which helps ensure a good seal for the piston rings, leading to better performance. The wrist pins are made from Chrome Moly, adding to their durability.

This set features a dome design with a -13.3cc volume, resulting in a 9.5:1 compression ratio. This is a common target for many performance builds, offering a good balance between power and reliability. Remember that these pistons are not CARB approved and cannot be shipped to California.