FR SPORT
HKS Fuel Cut Defencer
Frequently bought together
Product details
HKS 4501-RA002 Fuel Cut Defencer
The HKS FCD is an electronic device developed to properly raise the factory fuel cut level on factory turbocharged vehicles. 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. Symptoms of fuel cut are hesitation, bogging, and/or illumination of diagnostic indicators.
The electronic signal from the FCD will raise the fuel cut level to accommodate for the additional boost without triggering fuel cut and/or an engine diagnostic light. The FCD installation is designed to be easily integrated with the VPC/F-CON or factory ECU harness.
Warning: Due to the characteristics of this product, higher than recommended or unsafe boost levels may be attained by the installation and use of the FCD. This may result in severe damage to the vehicles engine or other mechanical parts. We suggest a fuel delivery upgrade and consulting a trained technician before the purchase and use of the FCD.
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1984 - 1986 | Dodge | Conquest | Base |
| 1992 - 2000 | Lexus | SC300 | Base |
| 1999 | Mazda | Miata | 10th Anniversary |
| 1990 - 2005 | Mazda | Miata | Base |
| 1993 | Mazda | Miata | LE |
| 2000 - 2005 | Mazda | Miata | LS |
| 1994 - 1997 | Mazda | Miata | M Edition |
| 2004 - 2005 | Mazda | Miata | Mazdaspeed |
| 1991 - 2003 | Mazda | Miata | SE |
| 2003 | Mazda | Miata | Shinsen |
| 1997 | Mazda | Miata | STO |
| 2015 | Mazda | MX-5 Miata | 25th Anniversary Edition |
| 2006 | Mazda | MX-5 Miata | Base, Club Spec |
| 2013 - 2015 | Mazda | MX-5 Miata | Club |
| 2008 - 2015 | Mazda | MX-5 Miata | GS, GT, GX |
| 2011 - 2012 | Mazda | MX-5 Miata | Special Edition |
| 2006 - 2015 | Mazda | MX-5 Miata | Sport, Grand Touring |
| 2007 - 2009 | Mazda | MX-5 Miata | SV |
| 2006 - 2012 | Mazda | MX-5 Miata | Touring |
| 1988 | Mazda | RX-7 | 10th Anniversary, SE 2+2, SE |
| 1986 - 1995 | Mazda | RX-7 | Base |
| 1988 - 1991 | Mazda | RX-7 | Convertible |
| 1988 - 1990 | Mazda | RX-7 | GTU |
| 1989 - 1990 | Mazda | RX-7 | GTUs |
| 1986 - 1990 | Mazda | RX-7 | GXL |
| 1987 - 1990 | Mazda | RX-7 | GXL 2+2 |
| 1987 | Mazda | RX-7 | LX, Base 2+2, Sport, LX 2+2 |
| 1993 | Mazda | RX-7 | R1 |
| 1994 - 1995 | Mazda | RX-7 | R2 |
| 1993 - 1995 | Mazda | RX-7 | Touring |
| 1986 - 1991 | Mazda | RX-7 | Turbo |
| 1983 | Mitsubishi | Starion | Base |
| 1984 - 1985 | Mitsubishi | Starion | ES |
| 1985 | Mitsubishi | Starion | ESi |
| 1986 - 1987 | Mitsubishi | Starion | ESi-R |
| 1984 - 1987 | Mitsubishi | Starion | LE |
| 1983 - 1985 | Mitsubishi | Starion | LS |
| 2002 - 2003 | Subaru | Impreza | Outback, WRX, RS, TS |
| 1988 - 1992 | Toyota | Celica | All Trac |
| 1993 | Toyota | Celica | GTS All Trac |
| 1988 - 1993 | Toyota | Celica | ST, GT, GTS |
| 1991 - 1995 | Toyota | MR2 | Base, Turbo |
| 1987 - 1998 | Toyota | Supra | Base |
| 1987 - 1992 | Toyota | Supra | Turbo |
| 1993 - 1998 | Toyota | Supra | Twin Turbo |
SKU: 07KB6
Why customers choose Ride Rite
Tesla & EV specialists
Every part is matched to your exact car — verified fitment, not a generic catalog.
Mobile install across the Bay Area
Skip the shop — our team comes to you for professional installation throughout California.
Free, fast shipping
Orders over $150 ship free and fully tracked, with most parts leaving the warehouse quickly.
Real human support
Talk to actual suspension specialists before and after your purchase — never a call center.





