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Dart SB Chevy ASCS Lightweight “Little M Pro” Cast Iron Engine Block

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Engine, Little M, Bare Block, 4 in Bore, 9.025 Deck, 350 Main, 4-Bolt Main, 2 Piece Seal, Lightened, Iron, Small Block Chevy, Each
Not Available
Availability: Same Day Shipping!
Shipping: FREE SHIPPING via Truck Freight. Oversize Item. Ships from Michigan.
Was: $4,314.81
Sale: $4,099.07
Save: 5%
Save: $215.74


Lightweight, high-strength cast iron engine block, engineered specifically for ASCS 360 C.I. sprint applications, includes all of the features common to the “Little M Pro” series blocks with the addition of a custom lightening option, which significantly reduces block weight without sacrificing durability. Block has a 4.000" bore, billet steel four-bolt main caps, extra-thick cylinder walls and decks, enlarged lifter bosses, true priority main oiling, standard cam location, and 350 main bearing (2.450") sizing. Specially scalloped outer water jacket walls offer improved coolant flow, while blind-tapped head bolt holes eliminate leakage.

Pit Stop USA offers Dart SB Chevy Little M Iron Block 9.025 4.000/350 31131111LT at low everyday prices. Be sure to check out all of our products from Dart Machinery including Dart Machinery Cast Iron Engine Blocks - SB Chevy.

Product Description: Engine, Bare Block, Little M, 4" Bore, 9.025 Deck, 350 Main, 4-Bolt Main, 2 pc Seal, Lightened, Iron, Small Block Chevy


These products may contain a chemical known to the state of California to cause cancer and birth defects or other reproductive harm


  • DRT31131111LT
  • DRT31131111LT
  • Dart Machinery
  • Temporarily Not Available
  • Same Day Shipping!
  • New

Shipping Information

  • Item Requires Shipping
  • 202.0 lbs.
  • W19.0000” x H15.0000” x L23.0000”
  • Shipping
  • This item ships in its own box.
  • FREE SHIPPING via Truck Freight. Oversize Item. Ships from Michigan.

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