Dart
Dart SBC Iron Little M Block 4.125 Bore 9.025 DH 31181215
Dart SBC Iron Little M Block 4.125 Bore 9.025 DH 31181215
Regular price
$3,999.99 USD
Regular price
Sale price
$3,999.99 USD
Unit price
per
SKU:DRT31181215
Out of stock
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Dart “Little M” Iron Engine Block
Blocks have extra-thick cylinder walls, standard deck heights, extra-thick decks, four-bolt main caps in choice of steel or nodular iron, and OEM component compatibility. 2 piece rear main seal.
- Little M - Raised Camshaft
Engine - Little M - Bare Block - 4.125 in Bore - 9.025 in Deck - 350 Main - 4-Bolt Main - 2-Piece Seal - 0.391 in Raised Cam Location - Iron - Small Block Chevy - Sold as Each - MPN: 31181215
Oversized 
Air Restricted 
Ships via Truck Freight only (additional shipping charges apply; see our Truck Freight policy for additional information)
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Brand
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Dart
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Part Number
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31181215
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Product Line
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Little M
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Cylinder Bore
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4.125 in
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Intended Minimum Finish Bore
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4.125 in
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Intended Maximum Finish Bore
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4.185 in
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Maximum Stroke
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4.250 in
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Deck Height
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9.025 in
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1-Piece / 2-Piece Rear Main Seal
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2 Piece
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4 Bolt / 2 Bolt Mains
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4 Bolt
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Raised Cam Location
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Yes
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Raised Cam Distance
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0.391 in
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Pan Rails Standard / Wide
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Standard
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Main Caps Included
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Yes
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Main Cap Material
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Billet Steel
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Main Style
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350 Main
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Main Bearing Diameter
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2.450 in
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Main Cap Fasteners Included
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Yes
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Cam Bearings Included
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No
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Mechanical Fuel Pump Provision
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Yes
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Wet Sump / Dry Sump
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Wet/Dry Sump
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Freeze Plugs Included
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Yes
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Cam Plug Diameter
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2.375 in
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Oil Filter Provision
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Yes
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Material
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Cast Iron
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Color
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Natural
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Finish
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Natural
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Quantity
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Each
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