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Dart SHP Special High Performance LS Next Pro Cast Iron Bare Blocks 31867112 Block, Iron, Mains, 4.00 in. Bore, 9.24 in. Deck Height, Each

SKU: DRT31867112

Engines, Bare Blocks

Dart SHP Special High Performance LS Next Pro Cast Iron Bare Blocks 31867112 Block, Iron, Mains, 4.00 in. Bore, 9.24 in. Deck Height, Each

SKU: DRT31867112

Engines, Bare Blocks
A$11,595.54
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

Dart SHP Special High Performance LS Next Pro cast iron bare blocks continue the evolution of their LS Next platform with superior strength. With full skirt designs, priority oiling systems, and other excellent features, these SHP LS Next Pro blocks are the perfect upgrades for your factory LS blocks, as well as ideal starting points for drag racers, circle track competitors, off-roaders, and high performance marine enthusiasts.

Dart SHP LS Next Pro cast iron bare blocks feature:

* Superior strength 220 BHN cast iron
* Steel 4-bolt main caps with upgraded ARP main studs
* Lifter oil crossover with restrictor provision
* 6-bolt per cylinder capability
* 4.000 in. up to 4.185 in. bore
* Factory oil filter provision
* 8-counterweight machining
* Full skirt design
* Priority main oiling
* Siamese cylinder bores
* Thick decks ensure reliable head gasket seal

Part Type

Engines, Bare Blocks

Data: v4.2 - Upd: 2026-09-27 17:52:24

Specifications

Product Attributes - Brand
Dart
Product Attributes - Manufacturer's Part Number
31867112
Product Attributes - Part Type
Engines, Bare Blocks
Product Attributes - Product Line
Dart SHP Special High Performance LS Next Pro Cast Iron Bare Blocks
Product Attributes - UPC
807051044065
Product Attributes - Main Journal Type
Chevy LS
Product Attributes - Engine Block Material
Cast iron
Product Attributes - Engine Block Style
OEM
Product Attributes - Engine Block Deck Height
Standard deck
Product Attributes - Deck Height (in.)
9.240 in.
Product Attributes - Cylinder Bore as Shipped
3.990 in.
Product Attributes - Cylinder Bore Diameter
4.000 in.
Product Attributes - Maximum Bore Diameter (in.)
4.185
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.
Product Attributes - Notes
Designed for a single row timing chain for compatibility with O.E. fuel injection. Block bores are .10 undersized to allow for piston set up.

Reference Information

Brand Name/s Dart
StreetFX SKU drt31867112
SFX Item ID 5089100
Supplier Item Code 5089100
Manufacturer SKU 31867112
Manufacturer UPC 807051044065

Compatibility

Application Data
  • MakeCHEVROLET
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)

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