Wiseco K0006B100 Professional Series Forged Piston Set - Chevy Big Block 4.600 in. Bore

The Wiseco Professional Series forged piston set is engineered for serious racers and builders who demand the highest level of performance and durability. Forged from high-grade 2618 aluminum alloy and precision CNC-machined in the USA, these pistons are built to handle the extreme pressures and temperatures found in heavy to severe duty race applications — including forced induction builds capable of 1,500+ horsepower.

Wiseco draws on decades of motorsport experience spanning Formula 1, NHRA Pro Stock, MotoGP, AMA Superbike, and Supercross to bring race-proven engineering to every piston in the Professional Series lineup. Chromoly wrist pins and Spirolox retainers are included.

Key Features:

• 2618 Forged Aluminum Construction — Engineered, forged, and machined in the USA for superior tensile strength and resilience under high heat and cylinder pressure
• ArmorGlide® Skirt Coating — Seizure-resistant, friction-reducing coating that allows tighter bore fitment, reduces piston rock noise, and improves long-term wear resistance
• Optimized Valve Pocket Design — Maximizes flow around the valve head and accommodates oversized valves and high-lift camshafts
• Performance Crown Profile — Shaped to promote intake charge efficiency through cross-flow scavenging during valve overlap, helping maximize horsepower potential
• Dome Design for Optimal Quench — Engineered for resistance to detonation and pre-ignition during the compression/combustion cycle, improving engine longevity
• Precision-Machined Ring Grooves — Calculated groove root diameters and axial widths deliver excellent surface finish, maximum ring seal, and minimized blow-by and oil consumption
• Complex Skirt Profiles — Reduce friction while maintaining bore stability for optimum ring seal
• ISO-Certified Forging Facility — Utilizes advanced materials and feature-aligned grain flow technology for consistent, world-class quality
• Power Adder Ready — Designed to handle turbocharging, supercharging, and nitrous applications

This set is sold as 8 pistons with a 4.600 in. bore, 1.120 in. compression height, and 0.990 in. pin diameter, configured for Chevy Big Block 502 applications with a semi-hollow dome. Ring sizes: .043 in. / .043 in. / 3.0 mm. Block height: 9.800 in.