Warnings
Sorry, you can only compare 10 items.

Would you like to replace your oldest item in the compare list?

Yes, add this item | No, view my current items

Dart 31273444 - Dart Big M Chevy Big Blocks

Dart 31273444 - Dart Big M Chevy Big Blocks large image

Image is a representation of this part. Actual part may vary.

  • Engine Block, Cast Iron, 4-Bolt Mains, 4.500 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each
  • Application Specific
  • Warnings
    • This part is shipped via truck freight, additional shipping charges will apply. Multiple truck freight parts on an order may increase the shipping amount.
  • Estimated Ship Date: 2/23/2012
 
BrandDart
Manufacturer's Part Number31273444
Part TypeEngines, Bare Blocks
Product LineDart Big M Chevy Big Blocks
Summit Racing Part NumberDRT-31273444
 
Main Journal TypeOEM
Engine Block StyleStock/OEM standard deck
Deck Height (in)9.800 in.
Cylinder Bore as Shipped4.500 in.
Maximum Cylinder Bore Diameter4.625 in.
Engine Block MaterialCast iron
Engine Block Weight (lbs)260 lbs.
Main Bolt Style4-bolt
Main Caps IncludedYes
Main Cap MaterialDuctile iron
Main Cap Fasteners IncludedYes
Main Bearings IncludedNo
Rear Main Seal Style2-piece
Finished Cylinder BoresYes
Raised Cam LocationNo
Cam Bearings IncludedNo
Freeze Plugs IncludedNo
QuantitySold individually.
ToolStroker Combinations
 

These Dart Big M Chevy big blocks are a no-compromise design that solves the problems that have plagued big blocks for years. They feature an improved oiling system, extra-thick cylinder walls, 4-bolt mains, and scalloped water jackets for improved coolant flow. They come available with a choice of two different deck heights and three cylinder bores, so there's sure to be a Big M block to fit your needs.

Warranty

Loading...