Wiseco K495B115 Big Block Chevy Forged Piston Set 4.615 in. Bore 18-Degree 15.6cc Dome Professional

The Wiseco K495B115 is a Professional Series forged piston set designed for Big Block Chevrolet engines built around 18-degree rectangle port cylinder heads.

Wiseco Professional Series pistons are engineered, forged, and machined in the USA at Wiseco's Mentor, Ohio manufacturing facility using 2618 high-strength aluminum alloy, offering the tensile strength required in demanding race and power-adder applications. Each piston features fully machined crown geometry with precision ring grooves, and ArmorGlide® skirt coating for reduced friction, quieter operation, and improved skirt and cylinder wall longevity.

Key Features:

• Bore: 4.615 in. (0.115 in. over standard BBC)
• Compression Height: 1.065 in.
• Dome Volume: 15.6cc positive dome
• Head Configuration: 18-degree rectangle port cylinder heads
• Material: 2618 high-strength forged aluminum alloy
• Pin Diameter: 0.990 in.
• ArmorGlide® skirt coating for seizure resistance and friction reduction
• Fully machined crown features and precision ring grooves
• Engineered, forged, and machined in the USA

Whether you're building a dedicated drag race motor or a high-compression circle track engine, the K495B115 delivers the precision and durability Wiseco is known for in Big Block Chevy applications.