The DART LS Next Aluminum Engine Block (Part 31937211) offers a high-performance foundation designed for serious engine builds. Crafted from lightweight aluminum, this block features a bore diameter of 4.125 inches, providing ample room for high-horsepower applications. The 9.240-inch deck height ensures compatibility with various stroker and performance crankshafts, making it ideal for custom engine assemblies.
Constructed with durability in mind, the block includes a 4-bolt main configuration for improved stability under high stress. The one-piece rear main seal enhances sealing performance and reduces potential leaks, contributing to overall engine longevity. The block is equipped with 0.375-inch extended cylinders, allowing for increased piston stroke potential and optimal airflow. Designed specifically for GM LS-Series applications, this block is a dependable choice for street, strip, or race engines.
Note that this engine block is air-restricted and truck freight only, ensuring safe and specialized delivery. Its robust design, combined with precise manufacturing standards, delivers the strength needed for high-performance engine builds, making it an excellent choice for custom automotive projects requiring a reliable, lightweight aluminum foundation.
Features:
- Material: Aluminum for lightweight strength
- Bore Diameter: 4.125 inches for high-performance applications
- Deck Height: 9.240 inches suitable for strokers
- Main Cap: 4-bolt configuration for increased stability
- Seal Type: One-piece rear main seal for enhanced sealing
- Cylinder Barrels: 0.375 inches extended for increased piston stroke