What material are these pistons made from?

These pistons are forged from domestic 2618 alloy. This material is chosen for its superior strength and performance characteristics, making it well-suited for high-performance engine builds.

What is the purpose of the -12cc dish?

The -12cc dish is a design feature that affects the engine's compression ratio. By creating a dish in the piston crown, it helps to lower the overall compression, which can be beneficial for forced induction applications or when using certain cylinder head combinations.

Are these pistons compatible with all 4G63T engines?

This specific set is designed for an 86mm bore and 88mm stroke, which is common for many 4G63T builds. It's important to verify your specific engine's bore and stroke requirements to ensure compatibility.

Specifications

Brand: Manley Performance
Part #: 617010CE-4
UPC: 807298091150

Manley Mitsubishi 4G63T 86mm Bore -12cc Dish 88mm Stroke Extreme Duty Piston Set w/ Rings

Name: Manley Mitsubishi 4G63T 86mm Bore -12cc Dish 88mm Stroke Extreme Duty Piston Set w/ Rings
Brand: Manley Performance
SKU: manley-performance-manley-mitsubishi-4g63t-86mm-bore-12cc-dish-88mm-stroke-extre-t14-146029
Price: 893.77 USD
Availability: BackOrder

$893.77

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Manley 4G63T Extreme Duty Piston Set w/ Rings. Forged 2618 alloy construction for superior strength and performance.

Key Features

Fits Mitsubishi 4G63T engines.
Forged from domestic 2618 alloy for superior strength and performance.
Features an 86mm bore and 88mm stroke.
Includes a -12cc dish for compression ratio tuning.
Boasts cam and barrel skirt profiles for power and cylinder wall protection.
Exacting ring lands and grooves enhance ring seal and power output.

This piston set is designed for Mitsubishi 4G63T engines. Not CARB approved; cannot ship to California.

⚠️ 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

These Manley Extreme Duty pistons start with domestic 2618 alloy forgings, a material chosen for its exceptional strength and ability to handle high performance demands. They're built for the Mitsubishi 4G63T engine, featuring an 86mm bore and an 88mm stroke, with a -12cc dish to help achieve your desired compression ratio. Professional engine builders and tuners often turn to Manley for their reliability and performance gains.

Manley's signature cam and barrel skirt profiles are designed to generate substantial power while minimizing wear on your cylinder walls. The ring lands and grooves are machined to exacting standards, which is crucial for achieving a solid ring seal and maximizing the power your engine can produce. This precision in machining, especially the unique fixturing that allows skirt turning and ring groove machining in a single operation, ensures ultimate squareness between the ring groove and the skirt. This attention to detail is what contributes to the durability and performance these pistons are known for.

This set includes premium chrome moly wrist pins, and for those looking for even more durability, Manley offers upgrades to 9310 and Turbo Tuff/DLC alloys on select part numbers. 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.