Dart 31181213 Little M2 Cast Iron Small Block Chevy Engine Block

The Dart Little M2 is a premium cast iron racing engine block designed from the ground up for serious small block Chevy performance builds. This true race block is engineered to handle high-horsepower applications while maintaining compatibility with most standard off-the-shelf small block components.

Key Features:

• Cast from premium high-strength iron and reinforced in all critical areas for maximum durability
• 4.125-inch bore diameter with siamesed cylinder walls for extra-thick construction that resists cracking
• 9.025-inch deck height for standard small block applications
• 350 main journal configuration with steel main caps and splayed outer bolts on center three webs
• Priority main oiling system ensures adequate lubrication to main bearings first at high RPM
• Provisions for both wet and dry sump oiling systems with external oil feed capability
• Compatible with standard small block components including timing chain, oil pump, motor mounts, and clutch linkage
• Blind head bolt holes prevent water jacket intrusion for improved reliability
• 50mm cam bore for enhanced clearance and performance

The Little M2 block features precision pre-machining that eliminates the time and expense of blueprinting a stock block. Ideal for power adders, maximum effort racing engines, and high-performance street builds that demand a bulletproof foundation.