Dart Little M Blocks

SMALL-BLOCK BREAKTHROUGH!


Get the Features You Need at a Price You Can
Afford in Dart’s New "Little M" Small-Block


Build your engine on a strong foundation with Dart’s new cast-iron Little M small-block. The Little M uses standard small-block components — and then adds features you won’t find in any production casting.


Discover the Dart advantage — and rock the competition with a Dart block!



  • Extra-thick cylinder walls improve sealing and resist cracking (4.00" bore standard, .275" thick at 4.125" dia.)
  • Front oil inlet simplifies plumbing
  • Scalloped water jacket walls improve coolant flow around cylinders
  • Priority main oiling system directs oil to main bearings first
  • Blind-tapped head bolt holes prevent water leaks
  • Extra-thick decks ensure reliable head gasket seal
  • Standard cam location
  • Front and side motor mounts
  • Standard deck height
  • 350 main bearings
  • Four-bolt steel main bearing caps maintain proper clearance under high loads
  • Front four-bolt cap clears standard oil pan
  • Rear four-bolt cap uses standard oil pump and two-piece seal (no adapter required!)
  • Splayed outer bolts on center caps resist bore distortion
  • Stock oil filter location
  • Mechanical fuel pump boss
  • Clutch linkage mounts
  • Open lifter valley improves oil return
  • Enlarged bosses accommodate offset and oversize lifters
     
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