Dart’s Big M2 Blocks are engineered to be the strongest, most reliable, and easiest-to-build Big Block Chevy on the market. These blocks are designed from the ground up as a true racing engine block that can be used with standard off-the-shelf big block components. Featuring premium high-strength iron construction, a competition oiling system, siamesed extra-thick cylinder walls, and much more, the Big M2 Blocks are the ultimate choice for engine builders seeking top-tier power and longevity.

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