Engines and Components› Cylinder Heads and Components

Dart

IRON21549ST2.05/1.601.550

$1,290.56

SKU: D00Q 10521123PF

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

Advanced — 4+ hours

Description

The Dart 10521123PF Iron Eagle Platinum cylinder head is designed for Small Block Chevrolet (SBC) engines, specifically for high-performance, big cubic inch, high RPM applications (mid-range to 7,000 RPM). It is suitable for serious street performance, modified oval track, and bracket racing. The heads are sold individually and feature precision cast ports for outstanding airflow without time-consuming porting.

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 10521123PF

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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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