Quantity : 4 Fuel injectors. Acura RSX 2002-2006 2.0L Base/Type S Coupe. Honda Civic 2006-2011 2.0L Si Coupe/Sedan. Injector Length: O-ring to O-ring 37.5 mm. Connector: Denso. Robust design. Leak, flow, pressure, OHM, spray tested using ASNU machines.