GENUINE GOYEN NEW Large Diaphragm from K4502 Kit / White Nylon Disc. NOT Chinese
NEW Genuine Goyen Large Diaphragm from K4502 Kit with White Nylon Disc. NOT a cheap Chinese knock-off. This is the Large Diaphragm only. nor small pilot diaphragm or springs included. 4-1/4" OD total, Nylon disc is 2-11/32" OD.