South Bay's Fuel Injectors 1000CC K-Series provide highly accurate control and atomization of fuel for amplified power and throttle response. Flow testing verifies a rating of 43.5psi with CF-16B calibration fluid, and they can be used with several fuels, including E85, MTBE, FTW, Q16, M5, and C45. Professionally tuned and flow-matched, each set includes a complete data sheet. Suitable for K20 and K24 engines.