What material are these Mahle pistons made from?

These Mahle MS pistons are forged from 4032 aluminum. This material is chosen for its strength and resistance to high temperatures and pressures, making it ideal for performance engine builds.

What is the compression ratio with these pistons?

When installed with the specified components, these pistons create a 12.4:1 compression ratio. This is a notable increase over stock and is suitable for performance-oriented engine builds.

Are these pistons legal for use in California?

No, this piston set is not CARB approved and cannot be shipped to California due to emissions regulations.

Mahle MS Piston Set K24 87.00mm Bore 99mm Stroke 139mm Rod 2

Name: Mahle MS Piston Set K24 87.00mm Bore 99mm Stroke 139mm Rod 22mm Pin 4cc 12.3 CR Set of 4
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-k24-87-00mm-bore-99mm-stroke-139mm-rod-22mm-pin-4cc-12-t14-191464
Price: 637.08 USD
Availability: BackOrder

Mahle MS Piston Set K24 87.00mm Bore 99mm Stroke 139mm Rod 22mm Pin 4cc 12.3 CR Set of 4

$637.08

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Mahle MS Piston Set K24 87.00mm Bore 99mm Stroke 139mm Rod 22mm Pin 4cc 12.3 CR Set of 4Engine Piston Set

Key Features

Fits Acura K24 2.4L engines.
Forged from 4032 aluminum for strength and durability.
Features an 87.00mm bore and 99.0mm stroke.
Designed for a 139mm connecting rod and a 22mm wrist pin.
Includes a 4.3cc dish volume for a 12.4:1 compression ratio.
Each piston weighs 320g.

This piston set is designed for Acura K24 2.4L engines. Always confirm compatibility with your specific vehicle and 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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Product Details

Mahle is a well-known name in the automotive industry, particularly for their expertise in engine components. This Mahle MS Piston Set is built for performance applications, specifically designed for Acura K24 2.4L engines. If you're rebuilding or modifying your K24, these pistons are a solid choice for handling increased stress and power.

This set features pistons with an 87.00mm bore and a 99.0mm stroke, designed to work with a 139mm rod and a 22mm wrist pin. The pistons themselves are forged from 4032 aluminum, a material known for its strength and ability to withstand high temperatures and pressures, making them suitable for boosted or high-compression builds. They have a 4.3cc dish volume and a 12.4:1 compression ratio when installed, which can significantly change the engine's power characteristics. Each piston weighs in at 320g, contributing to a well-balanced rotating assembly.

When installing these pistons, remember they are intended for performance builds and may require other supporting modifications to the engine for optimal performance and reliability. Please note that this product is not CARB approved and cannot be shipped to California. Always consult your engine builder or a qualified mechanic for specific installation procedures and compatibility with your build.