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Dart Machinery, LTD. stands behind each product we manufacture 100%. Each component undergoes a detailed manufacturing process that involves the hundreds of calculated and precision steps to ensure the finest quality possible.
Iron Eagle

Iron Eagle SBF

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Description

True race block which will work with most standard components. Provisions for wet or dry sump oiling systems. Great for power adders and maximum effort engines.

Dart’s Iron blocks for Ford are designed to work with stock components, but are much more than a stock replacement.

Designed from the ground up for hard core racing, all the weaknesses of the factory castings have been addressed. Dart blocks are cast from premium high strength Iron with extra thick cylinder walls and decks. The main webs are beefed up and fitted with steel 4-bolt main caps.

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• Siamesed cylinders: Standard 4.000” or 4.125” cylinders can be safely bored to 4.185” diameter, extra thick walls prevent cracking and improve ring seal.

• Four deck heights: 8.200” (302), 8.700” (stroker 302), 9.200” (351C) and 9.500” (351W) allow increased displacements up to 468 cubic inches.

• Steel 4-bolt main bearing caps are standard. Three center caps have splayed outer bolts for maximum strength.

• Two main bearing diameters: 302 (2.249”) or 351C (2.749”) allow choice of small or large journal crankshaft.

• Upgraded oiling system has been completely redesigned with a low restriction priority main oiling system with rear external oil pump feed.

• Reinforced head bolt bosses are blind tapped to prevent leaks and produce accurate torque readings. Extra thick decks prevent head gasket leaks.

• Parts kit included (PN 32000003).

Iron Eagle

31384175 – 302 Std. Deck Steel 302 8.200 4.000

31384275 – 302 Std. Deck Steel 302 8.200 4.125


31384185 – 302 Tall Deck Steel 302 8.700 4.000

31384285 – 302 Tall Deck Steel 302 8.700 4.125


31384195 – 351 W Short Deck Steel 302 9.200 4.000

31384295 – 351 W Short Deck Steel 302 9.200 4.125

31385195 – 351 W Short Deck Steel 351C 9.200 4.000

31385295 – 351 W Short Deck Steel 351C 9.200 4.125


31385135 – 351 Std. Deck Steel 351C 9.500 4.000

31385235 – 351 Std. Deck Steel 351C 9.500 4.125

IE SBF 302 Block InformationPacket – B12


IE SBF 351 Block Information Packet – B13

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