Cav/Delphi BDLL 150 S 6561, 5621604 fuel injector nozzles are genuine Perkins A4 parts made in the United Kingdom. These diesel fuel injector nozzles by Cav/Delphi are designed with a 9mm tip diameter and a 16.90mm body width, ensuring optimal performance and fit for Massey and other compatible models. With a weight of 53g and dimensions of 52.50mm in length and height, these high-quality nozzles are essential for maintaining the fuel injection system of your vehicle. Upgrade your air and fuel delivery system with these Cav/Delphi fuel injector nozzles for reliable and efficient operation.