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Dart SHP Special High Performance Small Block Ford Cast Iron Bare Blocks 31375135 Engine Block, , 4-Bolt Mains, 4.000 in. Bore, 1-Piece Rear Main Seal, 351, Block, Each

SKU: DRT31375135

Engines, Bare Blocks

Dart SHP Special High Performance Small Block Ford Cast Iron Bare Blocks 31375135 Engine Block, , 4-Bolt Mains, 4.000 in. Bore, 1-Piece Rear Main Seal, 351, Block, Each

SKU: DRT31375135

Engines, Bare Blocks
A$8,025.21
LAST ONE! Est Ship 4-7 days. In stock at 1 location (only 1 available)

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Description

Engine - SHP - Bare Block - 4 in Bore - 9.500 Deck - 4-Bolt - 1-Piece Seal - Iron - Small Block Ford - Each


Data: v2 - Desc: v4.2 - Upd: 2026-11-09 02:53:55

Data: v4.2 - Upd: 2026-11-09 04:55:38

Features

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Dart
StreetFX SKU drt31375135
SFX Item ID 5090041
Accounting SKU drt-31375135
Manufacturer SKU 31375135
Manufacturer UPC 807501054484
Alternative References 31375135, DRT-31375135

Engine Block, Cast Iron , 4-Bolt Mains, 4.000 in. Bore, 1-Piece Rear Main Seal, Ford 351, Small Block, Each

Dart SHP blocks are tailored to the most popular performance and racing applications. So, when you want more than stock blocks can provide, the strong reliable design and plentiful features of Dart SHP special high performance Ford engine blocks offer the perfect base foundation to start your build.

Key features of SHP small block Ford bare blocks are:
• Brand new precision machined cast iron block
• Scalloped outer water jacket walls improve coolant flow around the cylinder barrels to equalize temperatures
• Priority main oiling system directs oil to the main bearings first for more dependable lubrication
• Available with 302 (8.200 in.) deck height or 351 (9.500 in.)
• Provisions for OE roller lifters, dog bones and spider
• Siamese bores 4.000 in. or 4.125 in. (unfinished) with extra thick cylinder walls
• Extra thick decks ensure reliable head gasket seal
• Blind tapped head bolt holes to prevent water leaks
• Steel 4-bolt main caps on #2, 3 and 4 with splayed outer bolts. (2-bolt main caps on #1 and 5)
• Can use most stock components and accessories

Product Attributes
BrandDart
Manufacturer's Part Number31375135
Part TypeEngines, Bare Blocks
Product LineDart SHP Special High Performance Small Block Ford Cast Iron Bare Blocks
UPC807501054484
Main Journal TypeFord 351 Cleveland
Engine Block MaterialCast iron
Engine Block StyleOEM
Engine Block Deck HeightStandard deck
Deck Height (in.)9.500 in.
Cylinder Bore as Shipped4.000 in.
Cylinder Bore Diameter4.000 in.
Maximum Bore Diameter (in.)4.185
Camshaft LocationStandard
Main Bolt Style4-bolt
Main Caps IncludedYes
Main Cap MaterialSteel
Main Cap Fasteners IncludedYes
Main Bearings IncludedNo
Rear Main Seal Style1-piece
Finished Cylinder BoresNo
Raised Cam LocationNo
Cam Bearings IncludedNo
Freeze Plugs IncludedNo
RemanufacturedNo
QuantitySold individually.
NotesBlock bores are undersized to allow for piston set up. Steel 4-bolt main caps with splayed outer bolts on 2, 3 and 4, with 2-bolt main caps on 1 and 5. These blocks use SVO style cam bearings. See the “Required Parts” tab for block parts kit that contains coated cam bearings, brass freeze plugs, head, front cover, and bell housing dowels.

Compatibility

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