Mangum Racing

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Mangum Racing Offering a full line of CNC-ported cylinder heads, including aftermarket and OEM stock castings.

Aikman performance did a phenomenal job on this BONE STOCK vette. It got the ls7 head fix, port and a tune…. NO cam or h...
10/15/2026

Aikman performance did a phenomenal job on this BONE STOCK vette. It got the ls7 head fix, port and a tune…. NO cam or headers since the customer wanted to stay as stock as possible. Good job guys!!!

10/14/2026

YES! We absolutely do the ls7 stock casting fix! The service includes:
Bead blast
Guide removal and install with ream
Cnc port
Cnc valve job
Cnc deck
Wash
Reassembling with new hollow stem exhaust valves and spring kit!
1699.99 plus shipping

09/30/2026

If you have been pondering buying our 15 degree ls3 for your boost build I have great news! We built too many chamber softener sets and will be giving softener for free! Feel free to message me for more details! :)

More airflow you say????
09/30/2026

More airflow you say????

Time to put this run together!
09/23/2026

Time to put this run together!

Our good friend installs our new 235 cathedral on another close friend’s car!
09/11/2026

Our good friend installs our new 235 cathedral on another close friend’s car!

09/09/2026

Just in case you wanted to see down the runner of our 267 ls3….

09/04/2026

Laser engraving the new MR 229 Cathedral for SW!

08/27/2026

All new big runner 15 degree cathedral heads in production!!! Perfect for the 3.898-4.030” bore guys!!

LOok out for this BEAST!11 degree LS3….
08/19/2026

LOok out for this BEAST!
11 degree LS3….

Address

113 Cantera Way
Georgetown, TX
78628

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