HKS FUEL CUT DEFENCER For SUZUKI ALTO WORKS HA11S HB21S HA21S F6A TURBO K6A TURBO 4501-RA002Brand HKS Product Number 4501 RA002 Compatible Car SUZUKI ALTO WORKS HA11S HB21S HA21S Compatible Engine F6A TURBO K6A TURBO Product Description Model: HA11S, HB21S, HA21S Model Year: 94 11 98 09 FCD Type: STD Raise the Factory Fuel Cut Level for Boost Pressure Increase As modifications are made to optimize engine performance, the factory fuel cut is often triggered by higher boost levels which activate a fuel delivery cut off as a failsafe procedure.