Dart Little M Pro Iron Chevy Small Block
Cast from premium high strength iron and reinforced in all critical areas, the Little M Pro block offers several cam upgrades and a lightening option to take the standard Little M design to the next level for the serious competition engine.
Features:
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Extra thick cylinder walls resist cracking and improve ring seal for more power (minimum .275" thick with 4.185" bore).
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True priority main oil system lubricates the main bearings before the lifters.
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Scalloped outer water jacket walls improve coolant flow around the cylinder barrels to equalize temperatures.
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Blind tapped head bolt holes prevent water leaks.
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Extra thick decks ensure reliable head gasket seal.
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4 bolt billet steel main caps have splayed outer bolts for extra strength.
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Open lifter valley improves return to oil pan.
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Enlarged lifter bosses accommodate offset and oversize lifters.
