BBC Big M Iron Block - 9.800/4.250

The DART BBC Big M Iron Block - 9.800/4.250 is designed for serious big-block Chevrolet engine builders who are focused on maximizing displacement and performance. This iron block serves as a robust foundation for various applications, including street machines, bracket racers, and dedicated competition engines.

Constructed from premium ductile iron, the BBC Big M block features a 9.800-inch deck height and 4.250-inch bore spacing, which are standard dimensions for BBC architecture. This design allows for compatibility with a wide range of cylinder heads, intake manifolds, and other components that have been developed over the years. The iron construction provides excellent vibration absorption and thermal stability, which is essential for high-performance applications.

Engine builders looking for a reliable and durable block for high-horsepower applications will find the BBC Big M Iron Block to be an ideal choice. Its structural integrity and precision make it suitable for both competitive and street use, ensuring that it meets the demands of various performance scenarios.