We offer CNC machining for customer supplied Hemi cylinder heads through our PRC porting program 🦅 This service includes tear down, cleaning and inspection, CNC porting, milling, and re-assembly of customer-supplied cylinder heads. The end result is the best CNC ported factory cylinder heads for your 6.2L/6.4L Hemi. Dyno gains of over 30 HP have been seen in back-to-back testing! 🏁 -- #texasspeed #prc #cnc #porting #hemi #horsepower #tx #v8 #machineshop #racecar #custom