Mangum Racing

Mangum Racing Offering a full line of CNC-ported cylinder heads, including aftermarket and OEM stock castings.
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Our thick deck 11 degree Ls3 is perfect for ALL THE BOOST!!!! With miles of piston to valve this head is perfect for pow...
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.

06/09/2026
06/09/2026

1000 plus rwhp club on our 15 degree ls3!!!!

As our website gets closer to completion feel free to reach out via messenger!
06/09/2026

As our website gets closer to completion feel free to reach out via messenger!

06/02/2026

Chamber softener for a sweet build!

Our current turn around time is under two weeks for customer supplied castings! It’s a great time to knock out your port...
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!

Address

113 Cantera Way
Georgetown, TX
78628

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