Wiseco K0241A7 BBC Forged Dome Piston Kit CH - 396/427/454/502 32cc 1.395

The Wiseco K0241A7 is a Professional Series forged dome piston kit engineered for Big Block Chevrolet 396, 427, 454, and 502 cubic inch engines. Featuring a 32cc dome and 1.395" compression height, this kit is built to stock stroke specifications and is ideal for high-performance street and drag racing applications.

Wiseco is the only aftermarket piston manufacturer in the United States that produces pistons exclusively using the forging process. Each piston is forged and precision-machined in the USA from 2618 high-strength aluminum alloy, delivering superior tensile strength, reduced weight, and excellent thermal transfer compared to cast alternatives.

Key Features:

• 2618 High-Strength Forged Aluminum — superior strength for high-performance and racing applications
• ArmorGlide® Skirt Coating — reduces friction, resists seizure, and ensures quieter operation
• Vertical Gas Ports — improves ring seal and combustion efficiency
• Anti-Detonation & Pressure Seal Grooves — enhanced ring sealing and detonation resistance
• 32cc Closed Chamber Dome Design — engineered for improved flame travel and optimized combustion
• 1.395" Compression Height — designed for stock stroke Big Block Chevy builds
• .180" Tool Steel Wall Wrist Pin & Double Spirolox® — included for a complete assembly-ready kit
• Machined Valve Pockets — deeper and larger than stock for adequate valve clearance across a wide range of camshaft profiles
• Rings sold separately (.043, 1/16, 3/16 ring pack recommended)

Each kit includes 8 pistons, 8 wrist pins, and 8 Spirolox retaining clips. Note: Always verify dome-to-head and valve-to-piston clearances prior to final assembly, especially when using aftermarket camshafts or modified cylinder heads.