Wiseco Pistons K0243A3 Professional Series Forged Piston Kit 4.280 Bore Big Block Chevy 496

The Wiseco K0243A3 Professional Series forged piston kit is engineered for serious racers and engine builders demanding maximum performance and durability. This complete set includes 8 forged racing pistons designed specifically for Big Block Chevy 496 cubic inch stroker engines.

Key Specifications:

• Bore Size: 4.280 inches
• Compression Height: 1.270 inches
• Dome Volume: +25.0cc (domed piston)
• Compression Ratio: 10.5:1
• Stroke: 4.250 inches
• Rod Length: 6.385 inches
• Wrist Pin Diameter: 0.990 inch

Professional Series Features:

• No-expense-spared forged construction for heavy duty and severe race applications
• Custom-level performance and durability features throughout
• Premium piston rings included for complete top-end rebuild
• Advanced forging and CNC machining for precise tolerances
• Designed for Big Block Chevy 396/427/454/502 engine families

Wiseco pistons are manufactured in their state-of-the-art facility in Mentor, Ohio, utilizing 3D design software and finite element modeling to ensure optimal strength-to-weight ratios. Backed by over 80 years of racing heritage, Wiseco Professional Series pistons are trusted by top engine builders for consistent winning results in demanding motorsports applications.