Engines and Components› Cylinder Heads and Components

Dart

BBCRACE20XCNC485CC2.420X1.800 BARE

$4,815.48

SKU: D00Q 19776090X-PRO

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The Dart 19776090X-PRO is a pair of Dart Pro 1 Big Block Chevy Cylinder Heads designed for 454 to 582 cubic inch Big Block Chevrolet engines. These high-performance aluminum cylinder heads offer an improved design and are available in various port volumes and assembly options.

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 19776090X-PRO

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.

View Full Return Policy