DART BBC Big M Iron Block with 4.500-Inch Bore and 9.800-Inch Deck Height

The DART BBC Big M Iron Block is engineered for high-performance applications requiring durability and precision. Featuring a 4.500-inch bore and a 9.800-inch deck height, this bare block is designed to provide a solid foundation for large displacement engines. Constructed from high-quality iron, it ensures strength and longevity under demanding conditions. The block includes a 4-bolt main and a two-piece rear seal, enhancing engine stability and sealing performance. The Big M series is ideal for custom builds and racing applications where maximum power output and reliability are essential. Each block is air-restricted and available exclusively for truck freight shipping, ensuring safe delivery to your workshop or race facility. With its robust construction and precise specifications, this block is suitable for serious engine builders seeking top-tier components for their big-block Chevy engines.

Features:

• Engine Block: Big M series with high-strength iron construction

• Bore Size: 4.500 inches for increased displacement

• Deck Height: 9.800 inches for larger engine configurations

• Main Caps: Four-bolt main design for enhanced durability

• Seal Type: Two-piece rear seal for reliable sealing under high pressure

• Application: Designed for high-performance and racing engines

• Additional Attributes: Air-restricted, truck freight only