Mangum Racing

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

Another BEAST gets our 267ls3 15 degree. Can’t wait to see this one tear up the streets….

Throw ALL the boost at these!
11 degree heads
Chamber softener
Thicker deck surface
Larger spring pockets
Contact me for pricing

Quality parts come from months of development and the best machines…
We pride ourselves in making parts with passion. That makes all the difference in the world.

Gm ls7
Guides
Reaming
Porting
Cnc valve job
Decking
Assembly
Qc check
Ready to roll

Ported 6.2 Lt heads
Fully assembled with pac .660 spring kit
Titanium retainers