What is the compression ratio with these pistons?

These Mahle MS pistons feature a -10cc dish volume which results in a 9.0:1 compression ratio when used with the specified stroke and rod combination. This is a common ratio for turbocharged or supercharged applications.

What material are these pistons made from?

These pistons are made from a 4032 aluminum alloy. This material is chosen for its strength and ability to withstand high temperatures, making it suitable for performance engine builds.

Are these pistons compatible with all 4G63 engines?

These pistons are specifically listed for the Mitsubishi 4G63 2.0L engine, commonly found in models like the Eclipse and Lancer Evolution from 1993-2009. It's always best to verify the exact specifications for your engine build.

Mahle 4G63 Piston Set 85.00mm Bore 930130046

Name: Mahle MS Piston Set 93-09 4G63 85.00mm Bore 88.0mm Stroke 150mm Rod 22mm Pin -10cc 9.0 CR Set of 4
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-93-09-4g63-85-00mm-bore-88-0mm-stroke-150mm-rod-22mm-p-t14-191448
Price: 637.08 USD
Availability: BackOrder

Mahle MS Piston Set 93-09 4G63 85.00mm Bore 88.0mm Stroke 150mm Rod 22mm Pin -10cc 9.0 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 for Mitsubishi 4G63 2.0L engines. 85.00mm bore, -10cc dish, 9.0 CR. Part# 930130046. Not CARB approved.

Key Features

Set of 4 Mahle MS pistons for Mitsubishi 4G63 2.0L engines.
Features an 85.00mm bore and is designed for an 88.0mm stroke and 150mm connecting rod.
Includes a 22mm wrist pin.
The -10cc dish volume helps achieve a 9.0:1 compression ratio.
Constructed from durable 4032 aluminum alloy for high-temperature performance.
Each piston weighs 305g.

⚠️ 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

If you're rebuilding the engine in your Mitsubishi 4G63, especially for a performance application, a solid set of pistons is crucial. These Mahle MS pistons are built to handle the demands of a high-output 4G63 engine, offering a reliable foundation for your build. They feature an 85.00mm bore and are designed to work with an 88.0mm stroke and a 150mm connecting rod, with a 22mm wrist pin. The -10cc dish volume contributes to a 9.0:1 compression ratio, which is a popular choice for boosted applications where you want a good balance of power and reliability.

Mahle uses a 4032 aluminum alloy for these pistons, which is known for its strength and durability, especially at higher temperatures. This material is well-suited for performance builds that see frequent hard use. The pistons themselves weigh in at 305g, which is a reasonable weight for a forged piston of this size. This set includes four pistons, giving you everything you need to replace them in your 4-cylinder engine. Remember that these pistons are not CARB approved and cannot be shipped to California.