Wiseco K0239A6 Big Block Chevy 396/427/454/502 Dome Forged Piston Kit 34cc 1.760 CH

The Wiseco K0239A6 is a professional-grade forged piston kit engineered for Big Block Chevrolet 396, 427, 454, and 502 cubic inch engines. Featuring a closed-chamber dome design with +34cc volume and a 1.760-inch compression height, this kit is purpose-built for high-performance street and drag racing applications. This is a build-to-order (Build to Stock) item, manufactured to order to Wiseco's exacting tolerances.

Forged from 2618 high-strength aluminum alloy, these pistons offer superior tensile strength and resistance to the thermal and mechanical stresses of high-output big block applications. Wiseco's proprietary ArmorGlide® skirt coating reduces friction, resists seizure, and promotes quieter operation for both street and race environments.

Key Features:

• Forged 2618 high-strength aluminum alloy construction
• +34cc closed-chamber dome design for elevated compression ratios
• 1.760-inch compression height
• ArmorGlide® skirt coating for friction reduction and seizure resistance
• Vertical gas ports for improved ring seal and performance
• Precision-machined ring grooves with anti-detonation groove
• Pressure seal grooves for enhanced ring sealing
• .990-inch tool steel wrist pin with Double Spirolox® retainers included
• Fully machined crown features
• Designed for high-performance street and drag racing duty
• Build-to-order (Build to Stock) — manufactured to spec

Specifications:

• Application: Big Block Chevrolet 396 / 427 / 454 / 502
• Dome Volume: +34cc
• Compression Height: 1.760 in.
• Stroke: 3.766 in.
• Rod Length: 6.135 in.
• Wrist Pin Diameter: 0.990 in.
• Ring Set: Sold separately (1/16, 1/16, 3/16)

Engineered and machined in the USA at Wiseco's Mentor, Ohio facility, the K0239A6 delivers the precision and durability that serious engine builders demand. Note: Ring sets are sold separately.