Dart LS Next Cast Iron Bare Blocks 31837221 Engine Block, Next, Iron, 4.125 in. Diameter Bore, 4-Bolt Mains, Chevy, LS, Each
Dart LS Next Cast Iron Bare Blocks 31837221 Engine Block, Next, Iron, 4.125 in. Diameter Bore, 4-Bolt Mains, Chevy, LS, Each
A$11,218.24
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Description
Dart LS Next cast iron bare blocks integrate the robust heritage of a traditional Chevy small block with the performance potential of the late model LS engine architecture. The blocks are designed to rectify some of the former LS's more noticeable shortcomings on the bottom end—while still supporting high-flow and efficient cylinder heads developed for Gen III and IV platforms. They're available in multiple engine block styles, including stock/OEM standard deck and aftermarket. Dart LS Next blocks are back and better than ever!
Highlight features of the LS Next cast iron bare blocks include:
* Cast with premium cast iron alloy
* Conventional style 4-bolt steel main caps
* Full main webbing for maximum bottom-end strength
* Extended cylinder barrels at the bottom to provide greater piston support for all combinations
* Extra-thick Siamese cylinder bores
* Blind head bolt holes don't go through into the water jacket
* Provision for oil restrictors in the lifter valley
* Revised low-restriction priority main oiling system
* Pro-Stock/Pro-Mod big block style stepped main oil galley
* External oil filter (must be used with stock or aftermarket oil pumps)
* Dual starter mounts
* Expanded water jacket on #1 cylinder for additional cooling capacity
* LSX-style lifter bosses and dog bone provision are provided
Part Type
Engines, Bare Blocks
Specifications
- Product Attributes - Brand
- Dart
- Product Attributes - Manufacturer's Part Number
- 31837221
- Product Attributes - Part Type
- Engines, Bare Blocks
- Product Attributes - Product Line
- Dart LS Next Cast Iron Bare Blocks
- Product Attributes - UPC
- 807051019353
- Product Attributes - Main Journal Type
- Chevy LS
- Product Attributes - Engine Block Material
- Cast iron
- Product Attributes - Engine Block Style
- Aftermarket
- Product Attributes - Engine Block Deck Height
- Tall deck
- Product Attributes - Deck Height (in.)
- 9.450 in.
- Product Attributes - Cylinder Bore as Shipped
- 4.125 in.
- Product Attributes - Maximum Bore Diameter (in.)
- 4.165
- Product Attributes - Camshaft Location
- Standard
- Product Attributes - Engine Block Weight (lbs.)
- 227 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
- 1-piece
- Product Attributes - Finished Cylinder Bores
- No
- Product Attributes - Raised Cam Location
- No
- Product Attributes - Cam Bearings Included
- No
- Product Attributes - Freeze Plugs Included
- No
- Product Attributes - Remanufactured
- No
- Product Attributes - Quantity
- Sold individually.
Reference Information
| Brand Name/s | Dart |
|---|---|
| StreetFX SKU | drt31837221 |
| SFX Item ID | 5089278 |
| Supplier Item Code | 5089278 |
| Manufacturer SKU | 31837221 |
| Manufacturer UPC | 807051019353 |
| Alternative References | 4-Bolt |
Compatibility
| Application Data |
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