SSP-G 52mm QMB139 Performance Head

  • Intake Valve Diameter: 23mm
  • Intake Port Diameter: 20.7mm
  • Exhaust Valve Diameter: 19.9mm
  • Exhaust Port Diameter: 18mm
  • Valve Length: 62.3mm (compatible with 64mm Short Valve Style Heads)
  • Does Not Include Camshaft, Please See Related Items