What is the compression ratio of these pistons?

These Manley pistons feature a 9.0:1 compression ratio. This is a common choice for turbocharged or supercharged engines, offering a good balance between power and detonation resistance.

What material are the pistons made from?

The pistons are forged from a domestic 2618 alloy. This material is chosen for its exceptional strength and durability, making it well-suited for high-performance and demanding engine applications.

Are these pistons compatible with all 4G63 engines?

These pistons are specifically designed for the 4G63/4G63T engines found in the Mitsubishi Lancer Evolution VIII and IX models. They are an 86mm bore size, which is a +1mm oversize, so ensure this matches your engine's requirements.

Specifications

Brand: Manley Performance
Part #: 606110Ce-4
UPC: 807298091020

Manley Mitsubishi 4G63/4G63T EVO VIII/IX 86mm +1mm 9.0:1 Extreme Duty Dish Pistons w/ Rings

Name: Manley Mitsubishi 4G63/4G63T EVO VIII/IX 86mm +1mm 9.0:1 Extreme Duty Dish Pistons w/ Rings
Brand: Manley Performance
SKU: manley-performance-manley-mitsubishi-4g63-4g63t-evo-viii-ix-86mm-1mm-9-0-1-extre-t14-114218
Price: 893.77 USD
Availability: BackOrder

$893.77

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Manley 4G63/4G63T EVO VIII/IX pistons for high-performance builds. 86mm bore, +1mm oversize, 9.0:1 compression for improved power.

Key Features

Fits Mitsubishi Lancer Evolution VIII and IX with 4G63/4G63T engines.
86mm bore size, +1mm oversize for engine rebuilding.
9.0:1 compression ratio dish pistons suitable for boosted applications.
Constructed from strong 2618 alloy forgings for superior strength and performance.
Features proven cam and barrel skirt profiles to reduce cylinder wall wear.
Exacting ring lands and grooves ensure enhanced ring seal and power.

These pistons are specifically designed for Mitsubishi Lancer Evolution VIII and IX models with 4G63/4G63T engines. Please verify compatibility with your specific vehicle and engine configuration.

⚠️ 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

If you're rebuilding the engine in your Mitsubishi Lancer Evolution VIII or IX, especially for high-performance applications, a solid set of pistons is crucial. These Manley Extreme Duty Dish Pistons are built to handle the demands of serious tuners and engine builders, offering a significant upgrade over stock components. They feature an 86mm bore and are a +1mm oversize, designed to work with a 9.0:1 compression ratio, making them ideal for boosted applications where durability and power are key.

Manley uses domestic 2618 alloy forgings for these pistons, which are known for their strength and ability to withstand high temperatures and pressures. The pistons also feature proven cam and barrel skirt profiles, which help reduce friction and wear on the cylinder walls while still generating substantial power. You'll also find exacting standards for the ring lands and grooves, which are critical for ensuring a good seal and maximizing the power output from your engine. These pistons come with premium chrome moly wrist pins, and Manley's unique fixturing process ensures the ring grooves are perfectly square to the skirt for optimal performance.

It's important to note that these pistons are not CARB approved and cannot be shipped to California. They are designed for serious engine builds where performance and longevity are the top priorities. Ensure you have the necessary supporting components and expertise for installation, as these are intended for professional engine builders and tuners.