Dart BBC Big M Sportsman Iron Block 31223654 - 10.200/4.600 31223654
DRT31223654 (2 in stock)Dart
Regular price
$3,999.99
"Big M" Iron 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
- 4.600 in Bore
- 10.200 Deck
- 4-Bolt Main
- 2 Piece Seal
- Iron
- Big Block Chevy
- Sold as Each
- MPN: 31223654
Truck Freight Only (free shipping does not apply)
Specifications
| Brand | Dart |
| Part Number | 31223654 |
|
Product Line
|
Big M Sportsman
|
|
Cylinder Bore
|
4.600 in
|
|
Cylinder Bore as Shipped
|
4.590 in
|
|
Intended Minimum Finish Bore
|
4.600 in
|
|
Intended Maximum Finish Bore
|
4.625 in
|
|
Maximum Stroke
|
4.750 in
|
|
Deck Height
|
10.200 in
|
|
1-Piece / 2-Piece Rear Main Seal
|
2 Piece
|
|
4 Bolt / 2 Bolt Mains
|
4 Bolt
|
|
Main Caps Included
|
Yes
|
|
Main Cap Material
|
Ductile Iron
|
|
Main Bearing Bore Minimum Diameter
|
2.937 in
|
|
Main Bearing Bore Maximum Diameter
|
2.938 in
|
|
Main Cap Fasteners Included
|
Yes
|
|
Cam Bearings Included
|
No
|
|
Mechanical Fuel Pump Provision
|
Yes
|
|
Lifter Bore Diameter
|
0.842 in
|
|
Wet Sump / Dry Sump
|
Wet/Dry Sump
|
|
Weight
|
250 lbs
|
|
Freeze Plugs Included
|
No
|
|
Cam Plug Diameter
|
2.215 in
|
|
Oil Filter Provision
|
Yes
|
|
Material
|
Cast Iron
|
|
Color
|
Natural
|
|
Finish
|
Natural
|
|
Quantity
|
Each
|
California Residents: Proposition 65 warning