*These injectors are for Street applications* Injector Specs Common Honda B/D/H/F-series engine applications Based on 48mm injector size, 14mm bore Includes 1/2" adapter top, 11mm bore Includes O-rings, EV14 pigtails Fuel injectors are tested at the following: 43.5 PSI (3 Bar) 13.8 Volts 100 Hz Max base fuel pressure 58psi Lowest idle MS 1.9 Max pressure is 88psi Eco-Fi Injector Data Sheet 550cc Eco-Fi Street fuel injectors are performance replacement injectors offered as economic and budget friendly, basic upgrades to your vehicle's fuel system. Each EV14 injector is flowed and are strictly intended for naturally aspirated and mild, forced induction street tunes.  All Eco-Fi Street injectors include Viton O-rings and, where applicable, height adapter tops. Eco-Fi Street injectors are available in single-piece or sets and come with EV14 pigtails.