5-Axis CNC Head Porting, CNC Chambers, SERDI Competition Valve Job, Manganese Bronze Guides. Designed for Stock or +.5mm Oversize Valves. Call or Email for Flow Details.

Performance CNC specializes in Precise Reverse Engineering of Racing Cylinder Head Ports and Chambers and the precise machining of Master Model Details using 5-Axis CNC Equipment. Join the Private Label Porting Program: We keep your Name and Design Confidential.

Performance CNC is ready to machine for you your own Private Label cylinder head port. Confidential, Private, Honest, and Loyal Four Qualities that come hand in hand with Performance CNC and our Private Label Program.

Performance CNC "Racing Technology Available to You!"- Specializes in 5-Axis CNC Porting, Custom Machining And Cylinder Head Service