Callies P5160212AA 4.315 Gen Ii Wedge Block Rough Bore

The Callies P5160212AA is a high-performance Gen II wedge-style engine block designed for serious racing applications. This rough bore block features a 4.315-inch bore diameter, providing the foundation for building powerful small block engines with increased displacement potential.

Key Features:

• 4.315-inch rough bore diameter for maximum displacement flexibility
• Gen II wedge block design optimized for performance applications
• Precision-manufactured casting ready for finish machining
• Engineered for high-horsepower racing engines
• Robust construction to withstand extreme cylinder pressures

This rough bore block is intended for professional engine builders who will perform final machining operations to achieve exact specifications. Callies Performance Products is known for manufacturing premium engine components that meet the demanding requirements of professional racing teams and serious enthusiasts.