1.This Cylinder Head Will Replace The EGR Head as long as You Have The Correct Valve Cover
2.Replacement for GY6 150cc 4 Stroke Engine or Upgrade Your Older 125cc Engine to a 150cc Engine
3.Fits Most of Chinese Made Scooters and ATV. Such as JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO, Dongfang, Kazuma, JCL, BMS