Wiseco 6634M88 Professional Series Honda K24 Forged Piston 88.00mm Bore

The Wiseco 6634M88 is a Professional Series forged racing piston engineered for Honda K24 engines with an 88.00mm bore diameter. Designed for serious racers and high-performance engine builders, this piston delivers the strength and precision required for heavy to severe-duty race builds.

Key Features:

• 88.00mm Bore Diameter — precision-machined to exact tolerances for a proper fit
• 30.00mm Compression Height — optimized for K24 engine geometry
• 0.866 in. (22mm) Pin Diameter — compatible with standard K-series wrist pins
• Forged from 2618 High-Strength Aluminum Alloy — improved tensile strength for demanding race applications
• ArmorGlide® Skirt Coating — reduces friction, resists seizure, and enables quieter operation
• Fully Machined Crown — features specially designed valve pockets and complex dome/crown shapes for optimized charge efficiency
• Precision Ring Grooves — calculated groove root diameters and axial widths for maximum ring seal and minimal blow-by
• Optimized Skirt Profile — reduces power-robbing friction while maintaining stability in the bore for superior ring seal
• Engineered, forged, and machined in the USA — manufactured at Wiseco's Mentor, Ohio facility

The Professional Series represents Wiseco's no-compromise approach to piston design, packed with custom-level performance features and supplied with premium rings. Whether building a naturally aspirated high-compression motor or a forced induction platform, the 6634M88 provides the durability and performance characteristics demanded by competitive engine builders.

Specifications:

• Bore: 88.00mm (3.465 in.)
• Compression Height: 30.00mm (1.181 in.)
• Pin Diameter: 22mm (0.866 in.)
• Material: 2618 Forged Aluminum Alloy
• Replacement Rings: 8800XX
• Replacement Pin: S618