What is the advantage of using forged pistons like these?

Forged pistons, like these made from 2618 alloy, are significantly stronger and more durable than cast pistons. This makes them ideal for high-performance applications where increased cylinder pressures and temperatures are common.

What does the '-17cc dish' mean for my engine build?

The -17cc dish is a volume measurement within the piston crown. In stroker or high-performance builds, this dish helps to reduce the overall compression ratio, which can be crucial for preventing detonation with forced induction or higher octane fuels.

Are these pistons compatible with all 4G63/4G63T engines?

These pistons are specifically sized for an 86mm bore, which is 1.0mm over the standard bore size. You will need to ensure your engine block has been bored to this exact specification for a proper fit.

Specifications

Brand: Manley Performance
Part #: 619010CE-4
UPC: 807298092522

Manley Mitsubishi 4G63/4G63T 86mm Bore (+1.0mm) -17cc Stroker Dish Pistons w/ Rings - Set of 4

Name: Manley Mitsubishi 4G63/4G63T 86mm Bore (+1.0mm) -17cc Stroker Dish Pistons w/ Rings - Set of 4
Brand: Manley Performance
SKU: manley-performance-manley-mitsubishi-4g63-4g63t-86mm-bore-1-0mm-17cc-stroker-dis-t14-427975
Price: 893.77 USD
Availability: BackOrder

$893.77

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Manley Mitsubishi 4G63/4G63T 86mm Bore (+1.0mm) -17cc Stroker Dish Pistons w/ Rings - Set of 4. Forged from 2618 alloy for superior strength in high-performance builds.

Key Features

Fits Mitsubishi 4G63 and 4G63T engines.
Set includes four pistons, rings, and wrist pins.
86mm bore size, which is 1.0mm over standard.
Features a -17cc stroker dish for specific compression ratio tuning.
Constructed from domestic 2618 alloy forgings for superior strength.
Includes premium chrome moly wrist pins.

These pistons are designed for Mitsubishi 4G63 and 4G63T engines. Please verify compatibility with your specific engine build and bore size requirements.

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About this part

Product Details

If you're rebuilding the engine in your Mitsubishi 4G63 or 4G63T for more power, a set of high-performance pistons is a critical component. These Manley "Platinum Series" stroker dish pistons are built to handle the demands of a performance engine build, offering a solid foundation for increased horsepower and torque. They are designed for an 86mm bore, which is 1.0mm over standard, and feature a -17cc dish, commonly used in stroker applications to achieve a desired compression ratio.

Manley uses domestic 2618 alloy forgings for these pistons, which are known for their superior strength and ability to withstand high temperatures and pressures found in performance engines. The pistons also feature proven cam and barrel skirt profiles, designed to reduce friction and wear on cylinder walls while still generating substantial power. You'll also find exacting standards applied to the ring lands and grooves, which is key for a good seal and maximizing power output. Each set includes premium chrome moly wrist pins, and Manley's unique fixturing process ensures the ring grooves are perfectly square to the piston skirt for optimal performance.

This set includes four pistons, rings, and wrist pins, ready for installation. Please note that these pistons are not CARB approved and cannot be shipped to California. They are designed for performance engine builds and are a popular choice among professional engine builders and tuners looking for durability and improved performance.