Engines and Components Engines, Blocks and Components

Dart

ALUM SMALL-BLOCK CHEV BBC

$9,313.24

SKU: D00Q 31512322

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Special Order
Ships in 4–6 weeks
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Description

Aluminum, 400 Main, 9.325 Deck Height, 4.180 bore, BBC Cam. Features 4.500-inch bore spacing (vs. standard 4.400) for larger bore sizes and improved head gasket sealing with additional head stud bosses. Designed for big-inch competition engines. Cam location is raised .391 inches, and oil pan rails are spread .400 inches per side for stroker crankshaft clearance. Utilizes big block cam bearing journals; compatible with 350 or 400 main bearings.

Fitment

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Specifications

BrandDart
Part NumberD00Q 31512322

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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