Product images and videos 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.
Engines and Components› Cylinder Heads and Components
Airflow Research
BBC 357cc CNC Alum Heads Magnum 121cc Assembled
SKU: A03K 2010-TI
Advanced — 4+ hours
Overview
Constructed from A356 aluminum, they offer a 357cc intake port volume and a 121cc combustion chamber size. The heads are rated for displacements up to 605 cubic inches and operating speeds up to 7400 RPM.
Show original supplier description
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
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
| Brand | Airflow Research |
| Part Number | A03K 2010-TI |
Videos
AFR (Airflow Research) Cylinder Heads Product Overview at SEMA 2017
Are AFR cylinder heads that much better than the competition?
AFR: AirFlow Research - Performance Chevy Engine Heads
BBC AFR300 Cnc Ported Magnum Head Review With Real Flow Numbers
Torque Talk with Scott The Hawk: What's the right AFR cylinder head for my engine?
AFR 265 BBC Heads... (Lets take a look at them)!!#11 Chevy 454 Big Block Performance Build..
454 BBC REC PORT VS AFR OVAL-PORT HEAD TEST
About MOTORMIA
Buy with Confidence
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.
View Full Return PolicyShipping
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.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy