Dart Big M Block Chevy Aluminum Bare Blocks 31264344 Engine Block, Aluminum, 4-Bolt Mains, 4.250 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Block, Each
Dart Big M Block Chevy Aluminum Bare Blocks 31264344 Engine Block, Aluminum, 4-Bolt Mains, 4.250 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Block, Each
A$15,317.95
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Description
Dart aluminum big block V8s deliver big power in a lightweight package. And, based on the Chevrolet big block V8 design, Dart's Big M Big Block Chevy aluminum bare blocks are the strongest, most durable and easiest to build aluminum blocks available--making them a top choice for serious competition!
Dart Big M Big Block Chevy Aluminum Bare Block features:
*Cast from virgin 355-T61 aerospace alloy for superior strength and integrity
* Standard 9.800 in. and tall 10.200 in. deck heights available (for stroker engines)
* Standard 4.250 in., 4.500 in. or 4.600 in. bore sizes
* Ductile iron sleeves with extra thick cylinder walls promote excellent ring seal
* Reinforcing ribs strengthen lifter valley bellhousing flange
* Inboard valley head stud bosses improve gasket sealing
* Priority main oiling system delivers oil directly to the crankshaft bearings to enhance reliability at high engine speeds
* Steel 4-bolt main caps with splayed outer bolts for extra strength (ductile iron or aluminum caps are also available)
* Dual oil pan bolt patterns fit standard and notched oil pans
Part Type
Engines, Bare Blocks
Specifications
- Product Attributes - Brand
- Dart
- Product Attributes - Manufacturer's Part Number
- 31264344
- Product Attributes - Part Type
- Engines, Bare Blocks
- Product Attributes - Product Line
- Dart Big M Big Block Chevy Aluminum Bare Blocks
- Product Attributes - UPC
- 807051017137
- Product Attributes - Main Journal Type
- Chevy 454
- Product Attributes - Engine Block Material
- Aluminum
- Product Attributes - Engine Block Style
- Aftermarket
- Product Attributes - Engine Block Deck Height
- Standard deck
- Product Attributes - Deck Height (in.)
- 9.800 in.
- Product Attributes - Cylinder Bore as Shipped
- 4.240 in.
- Product Attributes - Cylinder Bore Diameter
- 4.250 in.
- Product Attributes - Maximum Bore Diameter (in.)
- 4.600
- Product Attributes - Camshaft Location
- Standard
- Product Attributes - Engine Block Weight (lbs.)
- 160 lbs.
- Product Attributes - Main Bolt Style
- 4-bolt
- Product Attributes - Main Caps Included
- Yes
- Product Attributes - Main Cap Material
- Steel
- Product Attributes - Main Cap Fasteners Included
- Yes
- Product Attributes - Main Bearings Included
- No
- Product Attributes - Rear Main Seal Style
- 2-piece
- Product Attributes - Finished Cylinder Bores
- No
- Product Attributes - Raised Cam Location
- No
- Product Attributes - Cam Bearings Included
- No
- Product Attributes - Freeze Plugs Included
- Yes
- Product Attributes - Remanufactured
- No
- Product Attributes - Quantity
- Sold individually.
- Product Attributes - Notes
- Block bores are .10 undersized to allow for piston set up.
Reference Information
| Brand Name/s | Dart |
|---|---|
| StreetFX SKU | drt31264344 |
| SFX Item ID | 5088964 |
| Supplier Item Code | 5088964 |
| Manufacturer SKU | 31264344 |
| Manufacturer UPC | 807051017137 |
| Alternative References | 4-Bolt, 2-Piece |
Compatibility
| Application Data |
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