Bosch 273cc Injector Name : Bosch 273cc Part number : 0280155931 / 0280 155 931 / Bosch -931 Package : 1x Connector : Bosch JPT EV1 Minitimer Jetronic Length : 60,65mm - EV 14L (Long) Injector tip : 11mm O-ring top : 14mm Viton O-ring bottom : 14mm Viton Body diameter : 16mm Impedance : 12 ohm   Flow matching These injectors are shipped with factory tolerances unless you choose to have them flow-matched. We always recommend flow-matching before delivery. Factory tolerances of the injectors differ, and you have to run them unmatched with wider tolerances or compensate for this when tuning the engine management system. How much they differ from the factory continuously varies. Flow-matching is done with our top equipment when you add this option! In addition, we include documentation and certificates with your new injectors.