Engines and Components› Engines, Blocks and Components

Dart

BBC IR/BLK S 10.400-4.500 NO KIT +4

$3,012.17

SKU: D00Q U31223495

In Stock
In Stock
Ships by Jun 9
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

Dart engineered the Big M2 to be the strongest, most reliable, and easiest to build big block on the market. With deck heights of 9.800″ and 10.200″ and bore sizes up to 4.600″, the Big M gives you the versatility to build a wide variety of engine combinations. The Sportsman block is fitted with Ductile Iron 4-bolt main caps.

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 U31223495

Videos

Tim Talks 555ci BBC Short Blocks

Tim Talks 555ci BBC Short Blocks
David Freiburger's Quest for 1,000HP NA with Dart 582 BBC

David Freiburger's Quest for 1,000HP NA with Dart 582 BBC

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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