What material are these Wiseco pistons made from?

These pistons are forged and machined in the USA from 2618 aluminum. This material is chosen for its improved tensile strength, making the pistons well-suited for demanding performance applications.

What is the ArmorGlide skirt coating for?

The ArmorGlide skirt coating on these pistons is designed to help resist seizure, reduce friction between the piston and cylinder wall, and contribute to quieter engine operation.

Are these pistons compatible with all 4G63 engines?

This specific piston set (K662M85) is designed for the 1990-1992 Eagle Talon, 1990-1992 Mitsubishi Eclipse, 1991-1992 Mitsubishi Galant, and 1990-1992 Plymouth Laser. Always verify fitment for your specific vehicle and engine build.

Wiseco Mitsubishi 4G63 85.00 mm Bore 35.00 mm CH 1.00 CC Piston Set

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Specifications

Brand: Wiseco
Part #: K662M85
UPC: 193564448255

Wiseco Mitsubishi 4G63 85.00 mm Bore 35.00 mm CH 1.00 CC Piston Set

Name: Wiseco Mitsubishi 4G63 85.00 mm Bore 35.00 mm CH 1.00 CC Piston Set
Brand: Wiseco
Price: 816.99 USD
Availability: InStock

$816.99

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Fits 1990-1992 Eagle Talon. Wiseco forged pistons for severe duty race builds.

Key Features

Fits 1990-1992 Eagle Talon, 1990-1992 Mitsubishi Eclipse, 1991-1992 Mitsubishi Galant, and 1990-1992 Plymouth Laser.
Forged and machined in the USA from 2618 aluminum for improved tensile strength.
Features precision ring grooves, anti-detonation grooves, and additional ring seal improving features.
ArmorGlide skirt coating helps resist seizure, reduces friction, and quiets operation.
Designed and built to withstand heavy to severe duty performance applications.
Fully machined crown and forced pin oiling.

⚠️ 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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Will this fit your vehicle?

Product Details

Wiseco is well-known for making strong internal engine components, especially for performance applications. This Professional Series piston set is built for serious racers and builders who need parts that can handle heavy to severe duty race builds. They are designed and machined in the USA from 2618 aluminum, which gives them improved tensile strength for demanding conditions.

These pistons feature precision ring grooves, an anti-detonation groove, and other features to improve ring seal. They also come with an ArmorGlide skirt coating that helps resist seizure, reduces friction, and makes for quieter operation. The fully machined crown and forced pin oiling are additional details that show these pistons are made for high-performance use where reliability is key.

This set includes four pistons, each with an 85.00 mm bore, a 35.00 mm compression height, and a 0.8268 inch pin diameter. Please note that these pistons are not CARB approved and cannot be shipped to California.