Wiseco K0242A7 BBC 396/427/454/502 Forged Piston Kit Dome 45cc 1.395" Compression Height

The Wiseco K0242A7 is a forged performance piston kit designed for Chevrolet Big Block (BBC) engines including the 396, 427, 454, and 502 cubic inch displacements. Featuring a 45cc dome crown and a 1.395" compression height, this kit is engineered to deliver high-compression performance for street and race builds. Wiseco pistons are forged and machined in the USA from 2618 high-strength aluminum alloy, providing exceptional tensile strength and durability under demanding conditions.

Key Features:

• 2618 High-Strength Aluminum Alloy — superior tensile strength for high-performance and forced-induction applications
• ArmorGlide® Skirt Coating — reduces friction, resists seizure, and promotes quieter operation
• Vertical Gas Ports — improves ring seal and combustion efficiency
• 45cc Dome Crown — designed for high-compression BBC builds
• 1.395" Compression Height — engineered for precise deck clearance in stock and stroked BBC applications
• .310" Top Ring Land — robust ring land supports aggressive ring packages
• Anti-Detonation Groove — additional pressure seal features for improved ring stability
• Forced Pin Oiling — enhanced wristpin lubrication for reduced wear
• .150" Wall Wristpin with Double Spirolox® — included for secure pin retention
• Fully Machined Crown — precision dome profile for consistent combustion chamber volume
• Rings sold separately (1/16", 1/16", 3/16" ring package)

Kit Contents:

• 8 forged pistons
• Wristpins (.990" diameter)
• Double Spirolox® pin retainers

The Wiseco K0242A7 is part of the proven BBC 396/427/454/502 Dome Series, offering a build-to-stock configuration ideal for engine rebuilders who need a high-compression dome piston with reliable factory-compatible dimensions. Rings are sold separately to allow builders to select the appropriate ring package for their specific bore and application.