Engines and Components› Cylinder Heads and Components

Dart

ALUM18 BC PRO1 BARE CAST

$3,073.94

SKU: D00Q 18475030

Out of Stock
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Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The Dart Machinery Big Chief Pro-1 Aluminum Chev BB Head is a high-performance racing cylinder head. These 18-degree heads feature spread intake ports, shallow valve angles, efficient combustion chambers, raised exhaust runners, and a valvetrain reliable at high rpm. Huge 421cc intake runners maximize flow. It features as-cast runners with CNC machined chambers and CNC blended bowls. It requires custom matching of pistons, intake, and shaft rockers.

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 18475030

Videos

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David Freiburger's Quest for 1,000HP NA with Dart 582 BBC
MBE 18Degree Big Block Chevy Conventional Cylinder Head EXPLAINED ** TECH VIDEO **

MBE 18Degree Big Block Chevy Conventional Cylinder Head EXPLAINED ** TECH VIDEO **
Big-Inch, Big-Power, Big-Block Manifold Shootout—Engine Masters Preview Ep. 52

Big-Inch, Big-Power, Big-Block Manifold Shootout—Engine Masters Preview Ep. 52

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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