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Dart 31384186 Small Block Ford Iron Eagle Pro Engine Block 8.700" Deck, 4.000" Bore, Each
Designed for maximum competition, the Iron Eagle Pro block is the ideal foundation when using large turbos, large blowers and heavy nitrous applications. This new superior strength 220 BHN cast iron block features a revised priority main oiling system, Steel 4-bolt main caps with upgraded ARP main studs and can accommodate a variety of machining ...
Dart31384186 Small Block Ford Iron Eagle Pro Engine Bl

Dart

Dart 31384186 Small Block Ford Iron Eagle Pro Engine Block 8.700" Deck, 4.000" Bore, Each

Item #: DAT31384186

Mfg Part #: 31384186

Applies To Continental U.S. orders only

FREE Ground Shipping
Specifications
Engine Block Specifications
Main Journal Type
302 mains
Engine Block Style
Aftermarket
Deck Height (in)
8.700 in.
Cylinder Bore as Shipped
3.900 in.
Cylinder Bore Diameter
4.000 in.
Maximum Bore Diameter
4.185 in.
Engine Block Material
Cast iron
Engine Block Weight (lbs)
160 lbs.
Main Bolt Style
4-bolt
Main Caps Included
Yes
Main Cap Material
Steel
Main Cap Fasteners Included
Yes
Main Bearings Included
No
Rear Main Seal Style
1-piece
Finished Cylinder Bores
No
Raised Cam Location
No
Cam Bearings Included
No
Freeze Plugs Included
No
Quantity
Sold individually.
Notes
Block bores are .10 undersized to allow for piston set up.
General
Brand
Dart
Item #
DAT31384186
Mfg Part #
31384186
Description

Designed for maximum competition, the Iron Eagle Pro block is the ideal foundation when using large turbos, large blowers and heavy nitrous applications. This new superior strength 220 BHN cast iron block features a revised priority main oiling system, Steel 4-bolt main caps with upgraded ARP main studs and can accommodate a variety of machining options for virtually any racing application.

  • Superior strength 220 BHN Cast Iron.
  • Scalloped outer water jacket walls improve coolant flow around the cylinder barrels
  • Main oiling system directs oil to the main bearings first for dependable lubrication.
  • Reduced .250” main oil feed holes.
  • Reduced .090” cam to crank oil feed (Babbit cam).
  • Removed cam to crank oil feed (Roller cam).
  • Removed oil filter location.
  • Removed rear lifter cross over.
  • Removed front -10AN oil feed.
  • Removed stock oil pump mounting boss.
  • External dry sump or external wet sump only.
  • Available with 8.200” (302), 8.700” (stroker 302), 9.200” (351C) and 9.500” (351W)
  • Siamese bores 4.000" or 4.125" (unfinished) with extra thick cylinder walls.
  • Extra thick decks ensure reliable head gasket seal.
  • Blind tapped head bolt holes prevent water leaks.
  • Steel 4-bolt main caps with upgraded ARP main studs.
Additional Information

FORD V8 0-0
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