Engines and Components› Cylinder Heads and Components

Dart

ALUM18 BC PRO 1 ASSM.2.4

$4,136.32

SKU: D00Q 18475136

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

Dart Machinery Big Chief Pro-1 Aluminum Chev BB Head. These 18 degree heads have what it takes to win, spread intake ports, shallow valve angles, efficient combustion chambers, raised exhaust runners, and a valvetrain that's reliable at high rpm. Huge 421cc intake runners maximize flow. These heads have as cast runners with CNC machined chambers and CNC blended bowls. Note: Must use specific pistons, intake, and shaft rockers. Assemblies include 2.400"/1.900" stainless steel valves, 1.625" Vasco Jet springs, titanium retainers, and are ready to install.

Fitment

Fitment Guaranteed

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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 18475136

Videos

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

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 **

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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