SBC Little M Iron Block 9.025 4.125/400

The SBC Little M Iron Block 9.025 4.125/400 from DART is designed for serious small-block Chevrolet engine builders who require a robust foundation for high-performance applications. This iron block is ideal for both street and competition use, providing the durability that builders need for various setups, including stroker packages and forced induction systems.

Constructed from nodular iron, the SBC Little M block features a 9.025-inch deck height and a 4.125-inch bore, making it suitable for 400 cubic-inch displacement builds and larger stroker combinations. The iron material offers advantages in terms of strength and durability, especially under high-stress conditions, which is essential for performance engines operating beyond 500 horsepower.

Enthusiasts working on vintage Chevrolet performance vehicles, including street rods and muscle cars, will find this block particularly beneficial. Its design retains factory-style coolant passages and fastener patterns, ensuring compatibility with existing engine bays and chassis for straightforward installation.