Dart 31181111 Little M Chevy Block, 4.00 Inch Bore

Dart 31181111 Little M Chevy Block, 4.00 Inch Bore

$5,096.06

True race block which will work with most standard components. Provisions for wet or dry sump oiling systems. Great for power adders and maximum effort engines.

The Dart Little M is designed from the ground up as a true racing engine block which can be used with standard off the shelf small block components.

The Little M is cast from premium high strength Iron and beefed up in all the critical areas. A competition oiling system ensures adequate lubrication to the main bearings at high RPM. Front and rear external oil feed, crossover and restrictor provision simplify plumbing with external pumps.

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  • Extra thick cylinder walls resist cracking and improve ring seal for more power
  • Scalloped outer water jacket walls improve coolant flow around the cylinder barrels to equalize temperatures
  • Priority main oiling system directs oil to the main bearings first for more dependable lubrication
  • Blind tapped head bolt holes prevent water leaks
  • Extra thick decks ensure reliable head gasket seal
  • Standard small block deck height allows use of off the shelf parts
  • Splayed outer bolts on middle main bearing caps prevent cracks
  • Open lifter valley improves return to oil pan
  • Enlarged lifter bosses accommodate offset and oversize lifters
  • 4-bolt billet steel main caps have splayed outer bolts for extra strength
  • Front and rear external oil inlets, crossovers and restrictor provisions to simplify plumbing with external pump
  • Block includes special coated cam bearings, freeze plugs and dowels