Wiseco K238A6 Professional Series Chevrolet Big Block 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 Chevrolet Big Block Piston Set, 4.310 in. Bore, 1.270 in. Compression Height, 0.990 in. Pin Diameter, Professional, Set of 8.

• 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

Brief Description: The Wiseco Professional Series Chevrolet Big Block piston set is designed for serious racers and builders requiring forged piston performance for heavy- to severe-duty race applications. This set includes eight pistons with a 4.310-inch bore, 1.270-inch compression height, and 0.990-inch pin diameter. The pistons are forged and machined in the USA from 2618 aluminum for improved tensile strength.

Key Features & Performance Benefits:

• Forged 2618 aluminum construction provides improved tensile strength.
• ArmorGlide skirt coating helps resist seizure, reduce friction, and support quieter operation.
• Precision ring grooves, an anti-detonation groove, and additional ring-sealing features support durable performance.
• Fully machined crowns and forced pin oiling are designed for demanding racing applications.

Key Product Specifications & Technical Data:

• Brand: Wiseco
• Series: Professional Series
• Application: Chevrolet Big Block
• Product type: Forged racing pistons
• Bore: 4.310 inches
• Compression height: 1.270 inches
• Pin diameter: 0.990 inch
• Quantity: Set of 8

What's Included in the Box: Eight Wiseco Professional Series forged pistons with premium rings. Fitment data was not provided. This product is not CARB approved, and a CARB acknowledgement is required.

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: false
Units Per Sku: 1
Clearance Item: t