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    Dart BBC Big M Sportsman Iron Block 31223344 - 9.800/4.250

Dart BBC Big M Sportsman Iron Block 31223344 - 9.800/4.250

Buy Dart BBC Big M Sportsman Iron Block 31223344 - 9.800/4.250, Model DRT31223344 online. Engines and Components,Engines And Components

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Dart BBC Big M Sportsman Iron Block 31223344 - 9.800/4.250

"Big M” Sportsman 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 Block
  • 4.250 in Bore
  • 9.800 Deck
  • 4-Bolt Main
  • 2 Piece Seal
  • Iron
  • Big Block Chevy 
  • Sold as Each 
  • MPN: 31223344

Truck Freight Only  Truck Freight Only (free shipping does not apply)

Specifications

Brand Dart
Part Number 31223344
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

  California Residents: Proposition 65 warning

Description

Product code: Dart BBC Big M Sportsman Iron Block 31223344 - 9.800/4.250
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Dart BBC Big M Sportsman Iron Block 31223344 - 9.800/4.250
Dart BBC Big M Sportsman Iron Block 31223344 - 9.800/4.250
Dart BBC Big M Sportsman Iron Block 31223344 - 9.800/4.250
Dart BBC Big M Sportsman Iron Block 31223344 - 9.800/4.250
Dart BBC Big M Sportsman Iron Block 31223344 - 9.800/4.250
Dart BBC Big M Sportsman Iron Block 31223344 - 9.800/4.250
Dart BBC Big M Sportsman Iron Block 31223344 - 9.800/4.250
Dart BBC Big M Sportsman Iron Block 31223344 - 9.800/4.250
Dart BBC Big M Sportsman Iron Block 31223344 - 9.800/4.250

Dart BBC Big M Sportsman Iron Block 31223344 - 9.800/4.250