SBC Head Casting Numbers Lookup & Full List [Free Download]
Updated: 2024 | Author: Randy Worner | Category: Small Block Chevy Heads
Looking for the casting number on your Small Block Chevy (SBC) cylinder heads? You’ve come to the right place. Use the search box below to identify your head specs by casting number — or scroll down for the full downloadable master list. 🔧
TIP: Valid SBC head casting numbers are usually found under the valve covers (between rocker studs), or externally between the valve springs on the ends of the head. They’re typically 6–8 digits (no letters unless aftermarket).
Quick How-To:
- Use Ctrl+F (or ⌘+F on Mac) to search for part of your number.
- If your casting number doesn’t show up, leave a comment below — we’ll help!
- Or download the entire PDF now: ⬇️ Skip to download
🧠 Small Block Chevy (SBC) Head Casting Numbers – Master List
| Casting Number | Year(s) | CID | Valves | Chamber Size | Notes |
|---|---|---|---|---|---|
| 330545 | 1973 | 350 | 2.02/1.60 | 76cc | Hi-po passenger |
| 333882 | 74-80 | 350/400 | — | 76cc | General truck application |
| 3927186 | 69-70 | 302/350 | 2.02/1.60 | 64cc | Camel hump w/ accessory holes |
| 3998997 | 72–73 | 350/400 | — | 76cc | Common open chamber truck heads |
Need aluminum? Or camel-hump performance factory heads? Most have unique chamber sizes and valve combos. Continue to Part 2 below 👇
📋 Full SBC Head Casting Numbers List
| Casting Number | Year(s) | CID | Valves | Chamber Size | Notes |
|---|---|---|---|---|---|
| 176450 | 75-76 | 262-305 | 1.71 / 1.50 | — | Factory cast |
| 330545 | 73 | 350 | 2.02 / 1.60 | 76cc | Race application |
| 330862 | 71-73 | 400 | 1.94 / 1.50 | — | High flow heads |
| 330864 | 70-81 | 366/427/454 | 2.06 / 1.77 | — | Open chamber Oval port |
| 330865 | 70-84 | 366/427/454 | 2.06 / 1.77 | — | Open chamber Oval port |
| 330866 | 68-78 | 366/427 | — | — | Oval Port Open chamber |
| 330867 | 68-73 | 427 | — | — | Oval Port Open chamber |
| 333881 | 74-75 | 350 | 2.02 / 1.60 | 76cc | Street performance |
| 333882 | 74-80 | 350/400 | — | 76cc | General truck heads |
| 336768 | 73-76 | 427 | — | — | Oval Port Open chamber |
| 336781 | 73-85 | 454 | 2.06 / 1.77 | 113cc | Open chamber Oval port |
| 340292 | 70’s | — | — | 64cc | Angle plug, over the counter |
| 343771 | 68-85 | 366/427/454 | 2.06 / 1.77 | — | Oval port Open chamber |
| 343772 | 76-84 | 366/427/454 | 2.06 / 1.77 | — | Oval port Open chamber |
| 343783 | 75-78 | 454 | 2.06 / 1.77 | Open chamber Oval port | High performance |
| 346236 | 75-87 | 454 | 2.06 / 1.77 | 113cc | Common for trucks |
| 346238 | 75-87 | 454 | 2.06 / 1.77 | 113cc | Common production |
| 352625 | 70-76 | 454 | — | — | Open chamber Oval port |
| 353049 | 70-73 | 454 | 2.06 / 1.77 | 113cc | High performance |
| 354434 | 75-79 | 262/267/305 | — | 60cc | Common in small trucks |
| 358741 | 76-79 | 305 | — | — | Standard heads |
| 359944 | 71-79 | 350 | 1.94 / 1.50 | 76cc | Common head |
| 366765 | 73-84 | 427/454 | 2.06 / 1.77 | — | Open chamber Oval port |
| 367450 | 75-76 | 262 | — | — | Factory spec |
| 376445 | 77-85 | 350 | — | 76cc | Common heads |
| 376450 | 75-81 | 262/267/305 | — | 60cc | 6/7 bolt exhaust |
| 376455 | 77-85 | 350 | — | — | Common for street engines |
| 376495 | 79 | 350 | 1.94 / 1.50 | 76cc | Standard performance |
| 383882 | 71-73 | 400 | — | — | Factory high-performance |
| 399380 | 70-73 | 400 | — | 76cc | Standard truck head |
| 426424 | 72-82 | 305/350/400 | 1.72 / 1.50 | — | Standard applications |
| 458624 | 69-84 | 350 | 1.94 / 1.50 | 76cc | Common head for street |
| 458642 | 75-84 | 350 | — | — | General purpose head |
| 460703 | 78-80 | 350 | 1.94 / 1.50 | 76cc | Standard SBC |
| 462614 | 77-79 | 305 | — | 60cc | Standard head |
| 462624 | 75-86 | 350/400 | 1.72 / 1.50 | 76cc | General truck & passenger use |
| 464033 | 76-86 | 350 | 1.94 / 1.50 | 76cc | Standard for passenger cars |
| 464036 | 76-86 | 350 | 1.94 / 1.50 | 76cc | Common factory head |
| 468642 | 76-up | 350/400 | — | — | General SBC heads |
| 471513 | 79 | 267/350 | — | — | Common high economy |
| 472424 | 76-79 | 305 | 1.72 / 1.50 | — | Standard head |
| 473328 | 68-85 | 366 | 2.06 / 1.77 | — | Open chamber Oval port |
| 474213 | 78-82 | 305 | 1.72 / 1.50 | — | Typical factory build |
| 474214 | 78-82 | 350 | 1.94 / 1.50 | 76cc | Standard performance |
| 475590 | 78-82 | 400 | 1.94 / 1.50 | 76cc | Used in high-output builds |
| 517513 | 79 | 267/350 | — | — | Economy head |
| 1816887 | 63 | 283 | — | — | Made in Canada GMC Truck |
| 3030817 | 74 | 400 | — | — | 2-bolt |
| 3238882 | 68-69 | 350 | 1.94 / 1.50 | 76cc | 235 HP Factory option |
| 3297185 | 57-67 | 307/327/350 | 1.72 / 1.50 | — | Common across generations |
| 3391635 | 68-76 | 305 | — | — | Standard builds |
| 3636839 | 55 | 265 | — | — | First casting in modern engines |
| 3703523 | 55 | 265 | 1.72 / 1.50 | 195HP | Standard application |
| 3703524 | 55 | 265 | — | — | Original factory |
| 3713358 | 55-56 | 265 | — | — | Famous 265 engine |
| 3713569 | 55-56 | 265 | — | — | Standard builds |
| 3720991 | 56-57 | 265 | — | — | — |
| 3725306 | 56 | 265 | — | — | Standard application |
| 3727185 | 69-73 | 307 | — | — | Used in trucks |
| 3731262 | 56 | 265 | 1.72 / 1.50 | — | Dual Quad Corvette |
| 3731539 | 57 | 283 | — | — | 283 HP FI |
| 3731544 | 57-61 | 283 | — | — | Factory head |
| 3731548 | 57-62 | 283 | — | — | Factory original |
| 3731554 | 57-62 | 283 | — | — | — |
| 3731556 | 57 | 283 | — | — | Canada production |
| 3731762 | 56 | 265 | — | — | Famous Vette 2×4 Carbs |
| 3732791 | 58 | 348 | — | — | Standard application |
| 3737465 | 60-61 | 283 | — | — | — |
The above table provides the most comprehensive set of casting numbers to ensure you can find the right information for your SBC engine. If you have any questions about matching components or other related inquiries, feel free to reach out via the comments section below.
📥 Free Download
Get the complete SBC head casting numbers list as a downloadable PDF for easy reference. Perfect for workshops and restoration projects!
🔗 Related Chevy Resources
- Chevy Engine Suffix Code Lookup
- How to Decode Your Chevy VIN Number
- Big Block Chevy Casting Numbers: Full List
- Restoration Guide: Factory Specs & Finishes
- 🔧 Community Tech Forums – Ask & Share
💬 Leave a Comment
Can’t find a specific SBC casting number on the list? Drop your number below, and we’ll help you figure it out or update the guide!
Note: Your email won’t be published. We just need it to follow up on your inquiry.
👤 About the Author
Randy Worner is the founder of Chevy Geek and a certified ASE Master Technician with 45+ years of hands-on experience with Chevrolet engines. He runs a technical writing company specializing in automotive repair guides and has trained technicians for UTI, Chrysler, and major retailers like Pep Boys. You’ll often find Randy restoring vintage Corvettes or geeking out over obscure Chevrolet CAD diagrams from the ’60s.
“SBC heads are like snowflakes – each casting tells a story. My goal is to help builders separate hidden gems from boat anchors!”
🔍 Summary: Matching Heads to Your SBC Build
Understanding Small Block Chevy head casting numbers is critical for:
- ✅ Verifying engine originality in classic restorations
- ⚡ Matching valve sizes for performance builds
- 🔧 Identifying compatible intake manifolds and headers
- 📈 Choosing the right chamber size for your compression ratio
Pro Tip: Always cross-reference casting numbers with physical measurements. Valve/port sizes listed here are factory specs – some heads may have been modified over time!
Want to dive deeper? Join our Chevy Mechanical Forums to share engine builds or see over 1,400+ member-submitted head specs in our Community Database.
© 2024 Chevy Geek. All rights reserved. | Built with ❤︎ for the Bowtie Brotherhood.
Can you ID SBC Head 3884549?
Thanks
Bill
Please help! The numbers on the head is T0528DC. Does this make any sense? It is a streetrod recently purchased.
Have a set of 305 Cylinder Head Casting Numbers 3827185 J309 GM 49
Cannot find any published numbers that match.
Thanks
Dave
Hi.
I just picked my first classic.
78 C10 Big 10.
I’ve look all over this site and links and can’t find my numbers and I’m sure it’s my short comings…lol
V0201TWZ stamped.
And
010 020 183 cast numbers.
Thank you for your time.
Marty
Stumped over these heads casting numbers are 12480024 or the 4 could be a triangle but I’ve looked like I said four or five times the numbers aren’t going to change it’s a mystery to me don’t know what they came out of but they are on my drag car now can’t wait to see if they perform
Can’t find in list block casting number 3999289 from a 1974 chevy corvette. Code number T0319TRJ also has- HI PER cast in block. This is supposed to be the stock engine that came in the car. Is this a mark IV or Gen IV or what?
just recently bought a 55 chevrolet 2 door sedan delivery .trying to pin down the motor size ..cant locate any numbers on charts that match up . my head casting are STAMPED VO708GF if any one can indentify or send a site to search would be GREAT THANKS ALLEN
finally a complialtion that makes it simple to find what the iron heads are
I have a Chevy truck with engine block serial number V0605TDJ. Can you please identify?
TDJ 1972 350 conv.cab,a/t 175 4 C-10 & 20
TDJ 1980 350 van & bus,a/t L LS9 155 4 C-10 to 2500
Cast June 5 in Flint Michigan. Either 1972 or 1980