www.cncport.com
Performance CNC is a family-owned machining shop operated by third- and fourth-generation machinists with over 55 years of industry experience. The company provides 5-axis CNC porting and custom machining services focused on cylinder head porting and precision master model work. It also offers reverse-engineering services for racing cylinder head ports and chambers. Performance CNC maintains confidentiality through NDAs and a private-label program for proprietary designs and branding.