Engines and Components› Engines, Blocks and Components

Dart

ALUM SMALL-BLCK CHEV 50MM

$9,313.24

SKU: D00Q 31512313

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The Dart Race Series 4.5 BS Small Block Chevy Aluminum Block is a lightweight aluminum engine block for Small Block Chevy (SBC) engines, featuring 4.500″ bore spacing to allow larger bore diameters while maintaining cylinder wall thickness and gasket sealing.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDart
Part NumberD00Q 31512313

Buy with Confidence

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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