4 x 550cc 52lb LOW IMPEDANCE FUEL INJECTORS FOR 1986-1988 MAZDA RX-7 1.3L R2 Manufacturer Part Number: 195500-1370, N318-13-250 Compatible Part Numbers: 4G1418, 155-0040, 57584, FJ10351, 842-12172, 800-1127N, FJ129, M373 Manufactured with precision to meet OE standards; Easy installation The fuel injector has been 100% tested and exactly match the internal coil resistance and fuel flow rate of OEM fuel injectors Pressure/Leak tested, Spray/Flow Tested Flow Rate @ 43.5 psi / 3 bar: 28.7 lb/hr, 550 cc/min Fit Denso EV1 long size fuel injector Jetronic port - EV1 electrical connector Resistance: 2.5 Ohm - low impedance Type: Petrol Gas Fuel Injector Increased fuel economy and throttle response Fit Mazda 1.3L 13B rotary Wankel Note: Please use part numbers and picture to verify application is