SKU: 4502-RA002 | UPC: 4957266548257
HKS Type 1 Speed Limit Defencer for 1989-2007 Nissan Silvia Skyline Subaru Impreza Toyota Supra Mazda RX-7
The HKS Type 1 Speed Limit Defencer connects inline with the vehicle speed sensor to eliminate factory-imposed speed limits typically set at 180 km/h on JDM cars. It fits a wide range of 1989-2007 Japanese performance vehicles including Nissan Silvia S13-S15, Skyline R32-R34, Subaru Impreza GC8-GDB, Toyota Supra JZA80, and Mazda RX-7 FC-FD. Drivers gain access to unrestricted top speeds with reliable signal interruption and no permanent modifications.
Key Features
- Plug-and-Play Harness: Direct connector matches OEM speed sensor plugs for quick install without wire cutting or splicing
- Operation LED Indicator: Green light confirms device activation when speed exceeds limiter threshold
- Pulse Signal Compatibility: Designed for 4-pulse per rotation vehicle speed sensors common in 1990s-2000s JDM ECUs
- Compact Aluminum Housing: Measures 2.2 x 1.6 x 0.9 inches weighs 1.8 oz for discreet mounting in engine bay or cabin
- Adjustable Defeat Threshold: Effectively bypasses 180 km/h or 112 mph limits while preserving normal speedometer function
Product Notes
- Confirm vehicle uses pulse-type speed signal prior to purchase using HKS compatibility chart
- Use on closed courses or off public roads where permitted by local laws
- Arrives in factory-sealed HKS box with instructions and harness
Installation Notes
- Professional installation recommended.
- Locate VSS connector near transmission or ECU typically 2-pin white or black plug
- Secure with included zip ties no additional hardware required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1994 | Nissan | 240SX | S13 |
| 1989-1993 | Nissan | Silvia | S13 RPS13 |
| 1994-1999 | Nissan | Silvia | S14 S14A |
| 1999-2002 | Nissan | Silvia | S15 Spec-R |
| 1993-1998 | Nissan | Skyline | R33 GT-R |
| 1998-2002 | Nissan | Skyline | R34 GT-R |
| 1993-2000 | Subaru | Impreza | GC8 WRX STI |
| 2001-2007 | Subaru | Impreza | GDB WRX STI |
| 1993-2002 | Toyota | Supra | JZA80 |
| 1992-2002 | Mazda | RX-7 | FD3S |
Why Choose HKS?
- Established 1973 as leading JDM performance brand
- Engineered in Japan for exact OEM integration
- Backed by motorsport testing on track-proven components
Frequently Asked Questions
- Q: Does this fit my 2000 Subaru Impreza WRX GC8?
A: Yes it plugs into the pulse-type VSS connector on GC8 models verify connector shape matches 2-pin OEM - Q: What materials are used in construction?
A: Die-cast aluminum case with waterproof harness insulation and gold-plated terminals for corrosion resistance - Q: What warranty coverage applies?
A: One-year limited manufacturer warranty against defects covers electronics and harness
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Original HKS retail box 5 x 4 x 2 inches
- Weight: 0.25 lbs
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