Engines and Components Cylinder Heads and Components

Airflow Research

HARD ANODIZE WATER JACKET BBC SBC

$421.58

SKU: A03K 4030

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
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Overview

AFR (Airflow Research) cylinder heads are high-performance heads, often featuring 100% CNC ported intake, exhaust, and chambers. They are typically made from A356 aluminum castings and incorporate high-quality components. While specific details for MPN 4030 were not found, AFR heads are generally available for various engine displacements and RPM ranges, suitable for a wide array of applications from street to full race. Some AFR cylinder heads may carry CARB EO numbers, making them legal for older emissions-controlled vehicles. The brand also offers 'Enforcer' series, which provide budget-friendly options, sometimes with 'As-Cast' surfaces on intake/exhaust runners and combustion chambers, and can be purchased as 'No Parts' or fully assembled.
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HARD ANODIZE WATER JACKET BBC SBC

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Fitment

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Specifications

BrandAirflow Research
Part NumberA03K 4030

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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