Wiseco K656M85AP Professional Series Forged 85mm Mitsubishi 4G63 Piston Set

Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series. Wiseco Mitsubishi 4G63 Piston Set, 85.00 mm Bore, 35.00 mm Compression Height, 0.866 in. Pin Diameter, Sport Compact, Set of 4.

• Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
• Precision ring grooves, anti-detonation groove, and additional ring seal improving features
• ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
• Designed and built to withstand heavy to severe duty performance applications
• Fully machined crown features
• Forced pin oiling

Upgrade your Mitsubishi 4G63 engine with the Wiseco K656M85AP Professional Series forged piston set, designed for high-performance racing and severe duty applications. Crafted from premium 2618 aluminum in the USA, these pistons deliver exceptional tensile strength and durability, making them ideal for serious racers and builders seeking reliable power upgrades.
Each piston features precision machined ring grooves, an anti-detonation groove, and enhanced ring seal technology to optimize combustion efficiency and reduce the risk of knocking. The ArmorGlide skirt coating provides seizure resistance, reduces friction, and ensures quieter operation during intense engine runs. Fully machined crowns give precise compression and combustion chamber fit, while forced pin oiling enhances durability under heavy loads.
The set includes four pistons with a bore diameter of 85.00 mm, a compression height of 35.00 mm, and a pin diameter of 0.866 inches. Designed specifically for high-performance sport compact engines, these pistons are built to withstand demanding conditions, helping you push your engine to its limits with confidence. Whether you're building a race engine or upgrading your existing setup, the Wiseco Professional Series pistons offer the strength, precision, and reliability needed for serious automotive performance.

Features:

• Engineered and forged from 2618 aluminum in the USA for improved tensile strength

• Precision ring grooves and anti-detonation groove for optimized combustion

• ArmorGlide skirt coating for seizure resistance and friction reduction

• Designed for heavy to severe duty performance applications

• Fully machined crown for precise compression and combustion chamber fit

• Forced pin oiling for enhanced durability under high loads

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1