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

The Dart LS Iron Block is a high-performance bare block designed for GM LS-Series engines. Featuring a bore size of 4.125 inches and a deck height of 9.240 inches, this block is crafted from 220 BHN Cast Iron for unmatched durability and strength. It comes equipped with steel 4-bolt main caps, a one-piece rear seal, and cylinder barrels extended by 0.375 inches at the bottom to enhance stability and performance under stress. Ideal for professional drag racers, circle track competitors, and marine high-performance enthusiasts, this block includes provisions for stock timing covers and lifters, prioritizing compatibility and ease of assembly.