Dart BBC Big M Iron Block 31213344 - 9.800/4.250
DRT31213344 (Not in stock)Dart
Regular price
$4,799.99
"Big M” Iron Engine Block
The blocks that set the standard for big block Chevrolet include Siamese bores, scalloped water jackets, redesigned oiling systems, valley head stud bosses, adequate clearances for stroker cranks, and four-bolt steel main caps.
- Big M
- Bare Engine Block
- 4.250 in Bore
- 9.800 Deck
- 4-Bolt Main
- 2 Piece Seal
- Iron
- Big Block Chevy
- Sold as Each
- MPN: 31213344
Truck Freight Only (free shipping does not apply)
Specifications
| Brand | Dart |
| Part Number | 31213344 |
|
Product Line
|
Big M
|
|
Cylinder Bore
|
4.250 in
|
|
Cylinder Bore as Shipped
|
4.240 in
|
|
Intended Minimum Finish Bore
|
4.250 in
|
|
Intended Maximum Finish Bore
|
4.625 in
|
|
Maximum Stroke
|
4.750 in
|
|
Deck Height
|
9.800 in
|
|
1-Piece / 2-Piece Rear Main Seal
|
2 Piece
|
|
4 Bolt / 2 Bolt Mains
|
4 Bolt
|
|
Main Caps Included
|
Yes
|
|
Main Cap Material
|
Billet Steel
|
|
Main Bearing Bore Minimum Diameter
|
2.937 in
|
|
Main Bearing Bore Maximum Diameter
|
2.938 in
|
|
Main Cap Fasteners Included
|
Yes
|
|
Cam Bearings Included
|
Yes
|
|
Mechanical Fuel Pump Provision
|
Yes
|
|
Lifter Bore Diameter
|
0.842 in
|
|
Wet Sump / Dry Sump
|
Wet/Dry Sump
|
|
Freeze Plugs Included
|
Yes
|
|
Cam Plug Diameter
|
2.215 in
|
|
Oil Filter Provision
|
Yes
|
|
Material
|
Cast Iron
|
|
Color
|
Natural
|
|
Finish
|
Natural
|
|
Quantity
|
Each
|
Note: This part cannot be shipped via standard ground transportation. It can be shipped via Truck Freight only.
California Residents: Proposition 65 warning