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
Notes:Block bores are .10 undersized to allow for piston set up.
Call 316-775-7771 to purchase.
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