What is the foundation for a better big block build? It's Dart's Big M Sportsman Big Block Chevy Cast Iron Bare Blocks of course! Dart engineered the Big M to be the strongest, most reliable, and easiest to build big blocks on the market. Hey, engine building is serious business--thankfully there's Dart!
Part Type: Engines, Bare Blocks
Product Line: Dart Big M Sportsman Big Block Chevy Cast Iron Bare Blocks
Main Journal Type: OEM
Engine Block Style: Aftermarket/OEM tall deck
Deck Height (in): 10.200 in.
Cylinder Bore as Shipped: 4.590 in.
Cylinder Bore Diameter: 4.600 in.
Engine Block Material: Cast iron
Engine Block Weight (lbs): 250 lbs.
Main Bolt Style: 4-bolt
Main Caps Included: Yes
Main Cap Material: Ductile iron
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: No
Freeze Plugs Included: No
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.