Dart - SBC SHP Iron Block 9.025 4.125/400

The Dart SBC SHP Iron Block is designed for high performance and medium duty applications such as hot rodding, drag racing, and circle track competition. This bare block features a 4.125-inch bore and a 9.025-inch deck height, equipped with 4-bolt mains and a 2-piece rear main seal, catering specifically to Small Block Chevy engines. Constructed from durable class 30 cast iron, it offers superior strength and reliability for engines with high RPM potential. Enhanced features include a priority main oiling system, Siamese cylinder bores with thick walls, and compatibility with stock and aftermarket components, making it an ideal foundation for robust engine builds.