Wiseco K0242A6 BBC Forged Dome Piston Kit CH Bore - 396/427/454/502 45cc 1.395 4.310

The Wiseco K0242A6 is a professional-grade forged piston kit engineered for Big Block Chevy 396, 427, 454, and 502 cubic inch engines. Featuring a +45cc dome crown profile with a 1.395-inch compression height and 4.310-inch bore, this kit is purpose-built for high-performance street and drag racing applications requiring elevated compression ratios.

Key Specifications:

• Bore: 4.310 in.
• Compression Height: 1.395 in.
• Dome Volume: +45cc
• Stroke: 4.000 in.
• Rod Length: 6.385 in.
• Wrist Pin Diameter: .990 in.
• Ring Pack: 1/16, 1/16, 3/16 (rings sold separately)

Key Features:

• 2618 High-Strength Aluminum Alloy — forged, engineered, and machined in the USA for superior tensile strength and thermal tolerance
• ArmorGlide® Skirt Coating — reduces friction, resists seizure, and promotes quieter operation
• Vertical Gas Ports — improve ring seal and blow-by control for maximum cylinder pressure retention
• Precision Anti-Detonation & Pressure Seal Grooves — engineered ring groove geometry for improved sealing under high-boost or high-compression conditions
• Forced Pin Oiling — enhances lubrication to the wrist pin under demanding conditions
• .150-wall wrist pin with Double Spirolox® retainers included
• Fully machined dome crown features for optimized combustion chamber geometry

This is a build-to-stock (BTO) item, produced to Wiseco's exacting factory specifications. Designed to withstand heavy to severe-duty performance applications, the K0242A6 delivers the combination of strength, precision, and reliability that Wiseco's Professional Series is known for in the BBC platform.