Mangum Racing
Offering a full line of CNC-ported cylinder heads, including aftermarket and OEM stock castings.
06/12/2026
Our thick deck 11 degree Ls3 is perfect for ALL THE BOOST!!!! With miles of piston to valve this head is perfect for power adders or high compression builds.
1000 plus rwhp club on our 15 degree ls3!!!!
06/09/2026
As our website gets closer to completion feel free to reach out via messenger!
Chamber softener for a sweet build!
05/28/2026
Our current turn around time is under two weeks for customer supplied castings! It’s a great time to knock out your port work!
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Website
Address
113 Cantera Way
Georgetown, TX
78628