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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.
Race Series

Race Series SBF

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Description

The Dart Aluminum small block is light, strong, and affordable. With displacements up to 450 cubic inches, the Dart Aluminum block is ideal for sprint cars, modifies, late model stock cars, dragsters, and unlimited competition classes.

With pressed-in dry sleeves, upgraded oiling and steel 4-bolt main caps, Dart’s Aluminum blocks have the features that Ford racers need to build powerful and reliable engines.

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• Premium alloy: Dart Aluminum blocks are cast from RMR cast Aluminum alloy for superior strength and integrity.

• Four deck heights: 8.200” (302), 8.700” (stroker 302), 9.200” (351C) and 9.500” (351W) allow displacements up to 450 cubic inches.

• Siamesed cylinders: Standard 4.000” or 4.125” cylinders can be safely bored to 4.165” diameter. Ductile Iron sleeves and extra thick walls prevent cracking and produce excellent ring seal.

• Steel 4-bolt main bearing caps are standard. Three center caps have splayed   outer bolts for maximum strength; rear cap uses standard one piece seal.

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

• Dual crossovers allow oil flow to be metered with restrictors for roller lifter cams   and/or roller rocker arms to reduce oil flow and windage.

• 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 32000004).

Race Series – Aluminum

31344175 – 302 Std. Deck Steel 302 8.200 4.000

31344275 – 302 Std. Deck Steel 302 8.200 4.125

31344185 – 302 Tall Deck Steel 302 8.700 4.000

31344285 – 302 Tall Deck Steel 302 8.700 4.125

31344195 – 351 W Short Deck Steel 302 9.200 4.000

31344295 – 351 W Short Deck Steel 302 9.200 4.125

31345195 – 351 W Short Deck Steel 351C 9.200 4.000

31345295 – 351 W Short Deck Steel 351C 9.200 4.125

31345135 – 351 Std. Deck Steel 351C 9.500 4.000

31345235 – 351 Std. Deck Steel 351C 9.500 4.125

SBF 302 Aluminum Block Information Packet – B14


SBF 351 Aluminum Block Information Packet – B15

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