What material are these pistons made from?

These Mahle MS pistons are forged from 4032 aluminum. This alloy is known for its strength and good thermal expansion properties, making it suitable for high-performance engine builds.

What is the compression ratio with these pistons?

When used with the stock 83.1mm stroke and 155.87mm connecting rod, these pistons with their -7cc dish volume result in a 9.3:1 compression ratio.

Can these pistons be shipped to California?

No, these pistons are not CARB approved and cannot be shipped to California due to emissions regulations.

Mahle MS Piston Set 88mm Bore 9.3 CR 197713965

Name: Mahle MS Piston Set Ford Focus ST Ecoboost 2.0L 88mm Bore 83mm Stroke 156mm Rod -7cc 9.3 CR Set of 4
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-ford-focus-st-ecoboost-2-0l-88mm-bore-83mm-stroke-156m-t14-131437
Price: 901.08 USD
Availability: BackOrder

Mahle MS Piston Set Ford Focus ST Ecoboost 2.0L 88mm Bore 83mm Stroke 156mm Rod -7cc 9.3 CR Set of 4

$901.08

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 for Ford EcoBoost 2.0L. 88mm bore, 9.3 CR, 4032 aluminum.

Key Features

Set of 4 Mahle MS pistons for Ford EcoBoost 2.0L engines.
Forged from 4032 aluminum for strength and thermal stability.
88mm bore size.
-7cc dish volume contributes to a 9.3:1 compression ratio.
Designed to work with an 83.1mm stroke and 155.87mm connecting rod.
Each piston weighs 372g.

This piston set is designed for the Ford EcoBoost 2.0L engine. Always confirm compatibility with your specific vehicle application.

⚠️ 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 engine components, recognized for their expertise in piston technology. This Mahle MS Piston Set is built for performance applications, specifically designed for the Ford EcoBoost 2.0L engine found in models like the Focus ST. If you're rebuilding or upgrading your engine, these pistons are a solid choice for handling increased power and stress.

These pistons are forged from 4032 aluminum, a material chosen for its strength and resistance to thermal expansion, which is crucial for high-performance engines. They feature an 88mm bore and a -7cc dish volume, contributing to a 9.3:1 compression ratio when paired with the stock 83.1mm stroke and 155.87mm connecting rod. The pistons weigh in at 372g, helping to keep rotating mass manageable. The 22.5mm wrist pin size is standard for many performance applications.

This set includes four pistons, ready for installation in your EcoBoost 2.0L. 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.