Dart Big M Big Block Chevy Cast Iron Bare Blocks 31213644

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The Dart Big M big block Chevy cast iron bare blocks no-compromise design solves the problems that have plagued big blocks for the years. The Dart Big M features extra-thick cylinder walls, and are available with a choice of different deck heights and cylinder bores, so there's sure to be a Big M block for you to build a better big block to suit your needs.



Part Type:Engines, Bare Blocks

Product Line:Dart Big M Big Block Chevy Cast Iron Bare Blocks

Main Journal Type:OEM

Engine Block Style:Stock/OEM standard deck

Deck Height (in):9.800 in.

Cylinder Bore as Shipped:4.590 in.

Cylinder Bore Diameter:4.600 in.

Engine Block Material:Cast iron

Main Bolt Style:4-bolt

Main Caps Included:Yes

Main Cap Material:Steel

Main Cap Fasteners Included:Yes

Main Bearings Included:No

Rear Main Seal Style:2-piece

Finished Cylinder Bores:No

Raised Cam Location:No

Cam Bearings Included:Yes

Freeze Plugs Included:Yes

Quantity:Sold individually.

Notes:Block bores are .10 undersized to allow for piston set up.

Call 316-775-7771 to purchase.


WARNING: This product contains a chemical known to the State of California to cause cancer and reproductive harm. See https://www.p65warnings.ca.gov/ for details.


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