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Engines and Components› Cylinder Heads and Components
Airflow Research
Gen III Hemi 224cc RH Cyl Head 73cc CNC Assem
SKU: A03K 2518
Advanced — 4+ hours
Overview
It features 100% CNC-ported intake ports, exhaust ports, and combustion chambers, manufactured from A356 aluminum. The head has a .750” thick deck, designed for hydraulic roller camshafts up to .650” of lift.
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Vehicle Symptoms
- Engine misfire at idle or under load
- Loss of power and acceleration
- Overheating or coolant loss
- White smoke from exhaust
- Oil and coolant mixing in reservoir
Diagnostic Codes
- P0300 – Random misfire detected
- P0301 – Cylinder 1 misfire detected
- P0302 – Cylinder 2 misfire detected
- P0303 – Cylinder 3 misfire detected
- P0304 – Cylinder 4 misfire detected
- P0305 – Cylinder 5 misfire detected
- P0306 – Cylinder 6 misfire detected
- P0307 – Cylinder 7 misfire detected
- P0308 – Cylinder 8 misfire detected
Relevant Conversations
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- Cylinder head install tips Gen III Hemi
- Can I reuse stock head bolts with AFR heads?
- What cam works with AFR 2518 heads?
- Cylinder head replacement cost Dodge Charger
- AFR vs Edelbrock heads for Mopar
- Symptoms of cracked cylinder head on Hemi
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Airflow Research |
| Part Number | A03K 2518 |
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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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