Port Your Castings:

Customer Supplied Castings

Need to port your stock GM castings? Lots of customers just want to cnc port & freshen their stock cylinder heads.  We offer a full line up of LS1, LS6, LS3, LS7, and LT port configurations for stock castings.

Don't see your exact casting on our site? Don't worry chances are we have a porting solution for you! Send us an email or submit a request below!

Our MACHINING PROCESS

Swipe

Washing & Sandblasting

Every customer supplied cylinder head is carefully washed & sandblasted

Inspection & Modifications

Every customer supplied cylinder head is fully inspected before installing customer requested upgrades such as CHE bronze valve guides

CNC Porting

Customers supplied castings receive full CNC Porting to match the customers goals and valve size

CNC Valve Job

All cylinder heads receive a cnc valve job from a Newen CNC seat & guide machine

Blending & Decking

Each cylinder head is hand blended & cnc milled to meet the customers desired chamber size

Assembly

Every customer supplied casting is final assembled with the desired valves, and valve spring kit to meet the customers goals

HOW TO GET STARTED

Swipe

Step One

Call or email us when you're ready to send your cores in for machining. Include the following checklist items so we know what your goals are.

Step Two

Box your take off cylinder heads & ship them to Mangum Racing 113 Cantera Way Suite 600 Georgetown, TX 78628.

Step Three

Sit back & wait for your freshly machined cylinder heads, and dont worry if we have any questions or concerns we will reach out!

WHAT WE NEED FROM YOU

  • Cylinder Head Type / Casting Number
  • Desired Valve Size
  • Cubic Inches
  • Desired Valve Spring Kit
  • Camshaft Specs
  • Vehicle Type & Goals
  • Desired Combustion Chamber Size
  • Contact Information
Contact mangum racing

Get In Touch

Simply click below to email us with any questions or concerns.

Contact Us