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Dart SHP Special High Performance Small Block Chevy Cast Iron Bare Blocks 31161211L Engine Block, Iron, 4-Bolt Mains, 4.125 in. Bore, 1-Piece Rear Main Seal, Chevy, Each

SKU: DRT31161211L

Engines, Bare Blocks

Dart SHP Special High Performance Small Block Chevy Cast Iron Bare Blocks 31161211L Engine Block, Iron, 4-Bolt Mains, 4.125 in. Bore, 1-Piece Rear Main Seal, Chevy, Each

SKU: DRT31161211L

Engines, Bare Blocks
A$7,055.43
BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.
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Description

Dart SHP Special High Performance small block Chevy cast iron bare blocks are designed for high performance and heavy duty applications. These SPH blocks are an ideal starting point for hot rodders, drag racers, circle track competitors, off-roaders and high performance marine enthusiasts.

Key features of SHP small block Chevy bare blocks are:

* Priority main oiling system
* Siamese cylinder bores with extra-thick walls
* Extra thick decks to ensure reliable head gasket seal
* Blind head bolt holes (don't go through water jacket)
* Scalloped water jacket walls for improved flow around cylinders for better cooling
* Clearance for 3.75 in. stroke with steel rods
* Splayed outer bolts on middle main bearing caps
* Provisions for OE stock roller lifters and cams
* All OE bolt holes starter, clutch ball, etc.
* Uses 1981 to 1985 stock style oil pan and passenger side dipstick
* Uses stocked stamped steel or plastic timing cover

Part Type

Engines, Bare Blocks

Data: v4.2 - Upd: 2026-09-27 17:52:26

Specifications

Product Attributes - Brand
Dart
Product Attributes - Manufacturer's Part Number
31161211L
Product Attributes - Part Type
Engines, Bare Blocks
Product Attributes - Product Line
Dart SHP Special High Performance Small Block Chevy Cast Iron Bare Blocks
Product Attributes - UPC
807051016475
Product Attributes - Main Journal Type
Chevy 350
Product Attributes - Engine Block Material
Cast iron
Product Attributes - Engine Block Style
Aftermarket
Product Attributes - Engine Block Deck Height
Standard deck
Product Attributes - Deck Height (in.)
9.025 in.
Product Attributes - Cylinder Bore as Shipped
4.115 in.
Product Attributes - Cylinder Bore Diameter
4.125 in.
Product Attributes - Maximum Bore Diameter (in.)
4.165
Product Attributes - Camshaft Location
Standard
Product Attributes - Engine Block Weight (lbs.)
175 lbs.
Product Attributes - Main Bolt Style
4-bolt
Product Attributes - Main Caps Included
Yes
Product Attributes - Main Cap Material
Ductile iron
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
Uses 1987 and up 1-piece oil pan and dipstick. Block bores are 0.010 in. undersized to allow for piston set up.

Reference Information

Brand Name/s Dart
StreetFX SKU drt31161211L
SFX Item ID 5089247
Supplier Item Code 5089247
Manufacturer SKU 31161211L
Manufacturer UPC 807051016475
Alternative References 4-Bolt, 1-Piece

Compatibility

Application Data
  • MakeCHEVROLET
    Engine TypeV8
    Engine FamilyChevy small block Gen I

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