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HKS Stand Alone ECU

Stand Alone Engine Management systems are designed soley for Competition Racing Use Only.  They replace the entire factory ECU to control your cars parameter with custom ECU tuning.  


Since its beginning, HKS has been committed to providing well-integrated, reliable,and environmentally sound performance systems. Mr. Hasegawa's strong leadership, engineering genius, creativity and willingness to listen to customers are the pillars of the company's success. Monitoring consumer reaction and input on issues pertaining to material quality, external appearance, sound quality, and of course, performance, HKS stays in tune with automotive enthusiasts' needs. Moreover, HKS' products are designed to be user friendly for easy installation.

Today the automotive aftermarket industry is filled with start-up companies following in HKS' footsteps. None however, can match the depth of engineering or manufacturing resources available to the talented, highly motivated and dedicated employees of HKS.

For over a quarter century HKS products have been put to the test in drag racing, road racing, rallying, and top speed trials. HKS equipped vehicles have captured numerous racing championships and hold claim to a myriad of competition records using many “off the shelf”, race proven HKS components. As a result, HKS has been synonymous with “performance” in the automotive aftermarket industry for the past 35+ years.

View all HKS Stand Alone ECU products

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 HKS VPC ROM NA35N18A Mazda Miata 90-93 

Model Number: 21200-NA35N18A   View Price

HKS VPC ROM Mazda Miata 90-93Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.Stock Cams (Requires PFC F-Con)ROM: NA35N18A...
  
 HKS VPC ROM NA35N18B Mazda Miata 90-93 

Model Number: 21200-NA35N18B   View Price

HKS VPC ROM NA35N18B Mazda Miata 90-93Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.HKS Cams (Requires PFC F-Con)ROM: NA35N18B...
  
 HKS VPC ROM D135BT1 Mitsubishi Eclipse GST/GSX T 89-94 

Model Number: 21200-D135BT1   View Price

HKS VPC ROM D135BT1 Mitsubishi Eclipse GST/GSX T 89-94Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.550 Injectors & Bosch Fuel Pump - (California Car)ROM: D135BT1...
  
 HKS VPC ROM D136T Mitsubishi Eclipse GST/GSX T 89-94 

Model Number: 21200-D136T   View Price

HKS VPC ROM D136T Mitsubishi Eclipse GST/GSX T 89-94Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.Stock Injectors - (California Car)ROM: D136T...
  
 HKS VPC ROM D137B3 Mitsubishi Eclipse GST/GSX T 89-94 

Model Number: 21200-D137B3   View Price

HKS VPC ROM D137B3 Mitsubishi Eclipse GST/GSX T 89-94Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.550 Injectors & Bosch Fuel Pump - (49 State Car)ROM: D137B3...
  
 HKS VPC ROM D138 Mitsubishi Eclipse GST/GSX T 89-94 

Model Number: 21200-D138   View Price

HKS VPC ROM D138 Mitsubishi Eclipse GST/GSX T 89-94Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.Stock Injectors - (49 State Car)ROM: D138...
  
 HKS VPC ROM D27AT18A Mitsubishi Eclipse GST/GSX T 89-94 

Model Number: 21200-D27AT18A   View Price

HKS VPC ROM D27AT18A Mitsubishi Eclipse GST/GSX T 89-94Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.Stock Injectors & Bosch Fuel Pump - (California Car)ROM: D27AT18A...
  
 HKS VPC ROM D27AT18B Mitsubishi Eclipse GST/GSX T 89-94 

Model Number: 21200-D27AT18B   View Price

HKS VPC ROM D27AT18B Mitsubishi Eclipse GST/GSX T 89-94Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.Stock Injectors & Bosch Fuel Pump - (California Car)ROM: D27AT18B...
  
 HKS VPC ROM D33AT18AU Mitsubishi Eclipse GST/GSX T 95-99 

Model Number: 21200-D33AT18AU   View Price

HKS VPC ROM D33AT18AU Mitsubishi Eclipse GST/GSX T 95-99Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.5-Spd w/Stock InjectorsROM: D33AT18AU...
  
 HKS VPC ROM D33AT18B Mitsubishi Eclipse GST/GSX T 95-99 

Model Number: 21200-D33AT18B   View Price

HKS VPC ROM D33AT18B Mitsubishi Eclipse GST/GSX T 95-99Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.5-Speed w/Stock Injectors, Sport Turbo Upgrade & Bosch Fuel PumpROM: D33AT18B...
  
 HKS VPC ROM D33MV318C Mitsubishi Eclipse GST/GSX T 95-99 

Model Number: 21200-D33MV318C   View Price

HKS VPC ROM D33MV318C Mitsubishi Eclipse GST/GSX T 95-99Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.5 Speed w/550 Injectors & Bosch Fuel PumpROM: D33MV318C...
  
 HKS VPC ROM Mitsubishi Eclipse GST/GSX T 95-99 

Model Number: 4602-MV3US   View Price

HKS VPC ROM Mitsubishi Eclipse GST/GSX T 95-99Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.550cc Injector ROM Kit...
  
 HKS VPC ROM Z32NA18A Nissan 300ZX 90-95 

Model Number: 21200-Z32NA18A   View Price

HKS VPC ROM Z32NA18A Nissan 300ZX 90-95Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.Non-Turbo w/Stock InjectorsROM: Z32NA18A...
  
 HKS VPC ROM Z32T217 Nissan 300ZX Turbo 90-95 

Model Number: 21200-Z32T217   View Price

HKS VPC ROM Z32T217 Nissan 300ZX Turbo 90-95Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.Stock InjectorsROM: Z32T217...
  
 HKS VPC ROM Z32T27B Nissan 300ZX Turbo 90-95 

Model Number: 21200-Z32T27B   View Price

HKS VPC ROM Z32T27B Nissan 300ZX Turbo 90-95Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.485 InjectorsROM: Z32T27B...
  
 HKS VPC ROM SW20T17 Toyota MR2 Turbo 91-92 

Model Number: 21200-SW20T17   View Price

HKS VPC ROM SW20T17 Toyota MR2 Turbo 91-92Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.ROM: SW20T17...
  
 HKS VPC ROM SUP011N Toyota Supra Turbo 87-91 

Model Number: 21200-SUP011N   View Price

HKS VPC ROM SUP011N Toyota Supra Turbo 87-91Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.Stock InjectorsROM: SUP011N...
  
 HKS VPC ROM JZA2835D Toyota Supra Turbo 93-98 

Model Number: 21200-JZA2835D   View Price

HKS VPC ROM JZA2835D Toyota Supra Turbo 93-98Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.680 Injectors, GT2835 Turbo Upgrade & In-Tank Fuel PumpROM: JZA2835D...
  
 HKS VPC ROM JZA8018A Toyota Supra Turbo 93-98 

Model Number: 21200-JZA8018A   View Price

HKS VPC ROM JZA8018A Toyota Supra Turbo 93-98Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units.6-Speed w/Stock InjectorsROM: JZA8018A...
  
 HKS VPC ROM JZA8018AT Toyota Supra Turbo 93-98 

Model Number: 21200-JZA8018AT   View Price

HKS VPC ROM JZA8018AT Toyota Supra Turbo 93-98Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units. Automatic w/Stock InjectorsROM: JZA8018AT...
  
 HKS VPC ROM JZA8018B Toyota Supra Turbo 93-98 

Model Number: 21200-JZA8018B   View Price

HKS VPC ROM JZA8018B Toyota Supra Turbo 93-98Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for VPC units. 680 Injectors, Single Turbo Upgrade & In-Tank Fuel PumpROM: JZA8018B...
  
 HKS VPC Harness MV-02A Mitsubishi Eclipse GST/GSX T 95-99 

Model Number: 21214-MV02A   View Price

HKS VPC Harness Mitsubishi Eclipse GST/GSX T 95-99Vehicle specific wiring harnesses to allow simple plug-in integration of VPC inbetween the factory wiring harness and ECU.Harness Code: MV-02A...
  
 HKS VPC Harness MV-03TA Mitsubishi Eclipse GST/GSX T 95-99 

Model Number: 4602-RM003A   View Price

HKS VPC Harness MV-03TA Mitsubishi Eclipse GST/GSX T 95-99Vehicle specific wiring harnesses to allow simple plug-in integration of VPC inbetween the factory wiring harness and ECU.550cc Injectors OnlyHarness Code: MV-03TA...
  
 HKS VPC Harness TP-25A Toyota Supra Turbo 93-98 

Model Number: 21204-136100A   View Price

HKS VPC Harness TP-25A Toyota Supra Turbo 93-98Vehicle specific wiring harnesses to allow simple plug-in integration of VPC inbetween the factory wiring harness and ECU.Harness Code: TP-25A...
  
 HKS PFC F-Con E149 Mazda RX7 Turbo 89-91 

Model Number: 4201-Z002US   View Price

HKS PFC F-Con E149 Mazda RX7 Turbo 89-91The HKS PFC F-CON is a plug-in fuel management system designed to supplement and refine the OEM fuel curve to maintain a proper air/fuel mixture when increasing boost pressure in turbocharged applications. The PFC F-CON optimizes the factory injector pulse width signal by recalibrating information obtained by both the PFC F-CON absolute pressure sensor and the OEM engine control unit (ECU). Each unit is application specific and includes a preprogrammed ROM...
  
 HKS PFC F-Con E1102 Mazda RX7 Turbo 89-91 

Model Number: 4201-Z012US   View Price

HKS PFC F-Con E1102 Mazda RX7 Turbo 89-91The HKS PFC F-CON is a plug-in fuel management system designed to supplement and refine the OEM fuel curve to maintain a proper air/fuel mixture when increasing boost pressure in turbocharged applications. The PFC F-CON optimizes the factory injector pulse width signal by recalibrating information obtained by both the PFC F-CON absolute pressure sensor and the OEM engine control unit (ECU). Each unit is application specific and includes a preprogrammed RO...
  
 HKS PFC F-Con ROM E104V Mazda Miata 90-93 

Model Number: 21200-E104V   View Price

HKS PFC F-Con ROM E104V Mazda Miata 90-93Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for PFC F-CON units.E Type, 6110 Pressure SensorFor Use With VPCROM: E104V...
  
 HKS PFC F-Con ROM E594 Mazda Miata 90-93 

Model Number: 21200-E594   View Price

HKS PFC F-Con ROM E594 Mazda Miata 90-93Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for PFC F-CON units.E Type, 6110 Pressure SensorStock InjectorsROM: E594...
  
 HKS PFC F-Con ROM E149 Mazda RX7 Turbo 86-88 

Model Number: 21200-E149   View Price

HKS PFC F-Con ROM E149 Mazda RX7 Turbo 86-88Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for PFC F-CON units.E Type, 6110 Pressure SensorROM: E149...
  
 HKS PFC F-Con ROM E190 Mazda RX7 Turbo 86-88 

Model Number: 21200-E190   View Price

HKS PFC F-Con ROM E190 Mazda RX7 Turbo 86-88Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for PFC F-CON units.E Type, 6110 Pressure SensorT04E Turbo & HKS IntercoolerROM: E190...
  
 HKS PFC F-Con ROM E1102 Mazda RX7 Turbo 89-91 

Model Number: 21200-E1102   View Price

HKS PFC F-Con ROM E1102 Mazda RX7 Turbo 89-91Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for PFC F-CON units.E Type, 6110 Pressure SensorT04E Turbo & HKS IntercoolerROM: E1102...
  
 HKS PFC F-Con ROM E149 Mazda RX7 Turbo 89-91 

Model Number: 21200-E149   View Price

HKS PFC F-Con ROM E149 Mazda RX7 Turbo 89-91Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for PFC F-CON units.E Type, 6110 Pressure SensorROM: E149...
  
 HKS PFC F-Con ROM FD3VN1 Mazda RX7 Turbo 93-96 

Model Number: 21200-FD3VN1   View Price

HKS PFC F-Con ROM FD3VN1 Mazda RX7 Turbo 93-96Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for PFC F-CON units.E Type, 6110 Pressure SensorROM: FD3VN1...
  
 HKS PFC F-Con ROM FD3VS2 Mazda RX7 Turbo 93-96 

Model Number: 21200-FD3VS2   View Price

HKS PFC F-Con ROM FD3VS2 Mazda RX7 Turbo 93-96Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for PFC F-CON units.E Type, 6110 Pressure SensorSingle Turbo Upgrade, In Tank Fuel Pump & HKS IntercoolerROM: FD3VS2...
  
 HKS PFC F-Con ROM E177 Mitsubishi Eclipse GST/GSX T 89-94 

Model Number: 21200-E177   View Price

HKS PFC F-Con ROM E177 Mitsubishi Eclipse GST/GSX T 89-94Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for PFC F-CON units.E Type, 6110 Pressure SensorStock InjectorsROM: E177...
  
 HKS PFC F-Con ROM E405 Nissan 300ZX Turbo 84-89 

Model Number: 21200-E405   View Price

HKS PFC F-Con ROM E405 Nissan 300ZX Turbo 84-89Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for PFC F-CON units.E Type, 6110 Pressure SensorROM: E405...
  
 HKS PFC F-Con ROM E155 Toyota Supra T 86.5-92 

Model Number: 21200-E155   View Price

HKS PFC F-Con ROM E155 Toyota Supra T 86.5-92Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for PFC F-CON units.E Type, 6110 Pressure SensorStock InjectorsROM: E155...
  
 HKS PFC F-Con ROM E164 Toyota Supra T 86.5-92 

Model Number: 21200-E164   View Price

HKS PFC F-Con ROM E164 Toyota Supra T 86.5-92Vehicle specific ROM microchips with tuning level specific tuned fuel map programs for PFC F-CON units.E Type, 6110 Pressure Sensor550 InjectorsROM: E164...
  
 HKS PFC F-Con Harness Mazda RX7 Turbo 89-91 

Model Number: 4202-RZ003   View Price

HKS PFC F-Con Harness Mazda RX7 Turbo 89-91Vehicle specific wiring harnesses to allow simple plug-in integration of PFC F-CON inbetween the factory wiring harness and ECU.Harness Code: ZP-9...