LS Iron Block - 9.240/ 4.125 w/Steel Main Caps

The LS Iron Block - 9.240/4.125 w/Steel Main Caps from DART is an essential component for serious LS engine builds that prioritize durability and reliability. This cast-iron block is designed for various applications, from street engines to high-performance builds, ensuring that builders have a robust foundation for their projects.

Featuring a 9.240-inch deck height and a 4.125-inch bore size, this block offers exceptional versatility for optimizing displacement and compression ratios. The inclusion of steel main caps enhances crank support, significantly reducing flex during high-rpm or boosted conditions, which is crucial for maintaining performance under pressure. The cast iron construction also provides superior heat dissipation and longevity compared to aluminum alternatives.

This LS Iron Block is ideal for enthusiasts looking for reliability and proven performance in demanding environments, whether for racing, towing, or extended high-load operations. Its robust design ensures that it can withstand the rigors of high-performance applications, making it a preferred choice for builders aiming for exceptional engine performance.