Engines and Components Cylinder Heads and Components

Airflow Research

TITANIUM 10 DEGREE RETAINER 1.490 O

$395.75

SKU: A03K 8507-16

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

Our largest and best flowing 24° big block chevy cylinders heads, these cylinder heads feature 100% CNC machined intake runners, exhaust ports and combustion chambers. Best suited for +540 cubic inch large displacement racing engines, operating at or below 7600 RPM. Equipped with Titanium retainers and high quality components, these heads are capable of flowing 456 CFM at 0.900" of lift.

Fitment

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Specifications

BrandAirflow Research
Part NumberA03K 8507-16

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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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