Wiseco K566M81AP Professional Series Forged Honda B16A 81mm 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 Honda B16A Piston Set, 81.00 mm Bore, 30.10 mm Compression Height, 0.827 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 Honda B16A engine with the Wiseco K566M81AP Professional Series forged piston set, designed for serious racers and high-performance applications. These pistons are engineered from 2618 aluminum in the USA, providing exceptional tensile strength and durability essential for heavy to severe duty race builds. The fully machined crown and precision ring grooves ensure optimal sealing and performance, while the anti-detonation groove enhances combustion efficiency. Equipped with ArmorGlide skirt coating, these pistons deliver seizure resistance, reduced friction, and quieter operation, making them ideal for demanding racing environments.
Each piston features a 30.10 mm compression height and a 0.827-inch pin diameter, tailored for high compression ratios and increased power output. The forced pin oiling system enhances lubrication, extending piston life under extreme conditions. Designed with a bore size of approximately 81mm, this set includes four pistons ready for installation, supporting seamless engine assembly. Wiseco's professional pistons are built to withstand the rigors of performance driving, offering reliability and consistency in competitive settings.
Constructed with premium rings included, these pistons provide a comprehensive upgrade for your engine's internals. They are not carb-approved but are suitable for race use where performance takes precedence over emissions compliance. Proper installation and adherence to recommended procedures will help maximize the benefits of these pistons in your high-performance build.

Features:

• Engineered from 2618 aluminum for enhanced tensile strength and durability

• Precision machined crown with optimized ring grooves and anti-detonation features

• ArmorGlide skirt coating for seizure resistance, reduced friction, and quieter operation

• Designed for heavy to severe duty racing applications

• Fully machined crown and forced pin oiling for improved lubrication and longevity

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