1.This Head Will Replace The EGR Head as long as You Have The Correct Valve Cover for This Head
2.Replacement for GY6 50cc to 80cc 4 Stroke Engine 139QMB & 1P39QMB With 64mm Valves
3.Fits Most of Chinese Made Scooters and ATV. Such as JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO, Dongfang, Kazuma, JCL, BMS

Product Features

  • Valve Length-64mm
  • Intake Valve Diameter- 23mm (Stock is 18.5mm)
  • Exhaust Valve Diameter- 20mm (Stock is 16mm)
  • Combustion Chamber Diameter-47mm
  • This a Non EGR Head, Does Not Have the EGR Port

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