Upgrade your engine with the LS Iron Block - 9.240/ 4.125 w/Steel Main Caps by DART. This durable and reliable engine block is designed for high performance, 4-bolt mains, and extended cylinders, ensuring top-notch quality.
Constructed with iron and featuring a 4.125-inch bore and 9.240 deck height, this block is perfect for GM LS-Series engines. With steel main caps and a one-piece seal, this block is built to withstand the toughest conditions and deliver optimal performance.
Trust the LS Iron Block to provide the strength and durability your engine needs. Whether you're building a race car or upgrading your street machine, this block is the essential foundation for achieving exceptional power and performance.