Bosch CR Injector For easy installation, the provided Bosch CR Injector is equipped with copper crush washer and O-rings. In order to check its back leak flow and fuel delivery, this injector is tested under different parameters. The offered injector is highly popular among patrons due to its lightweight and easy installation. This injector has best grade valve, nozzle, needles, piston, spring etc. In addition to this, the provided Bosch CR Injector is manufactured using premium grade components.