HKS Type 2 Speed Limit Defencer HKS HKS4502-RA003
HKS Type 2 Speed Limit Defencer HKS HKS4502-RA003
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HKS Type 2 Speed Limit Defencer

HKS
HKS4502-RA003
4957266548264
Gauge Calibration Tools
6 Units In Stock - Ships Next Business Day
FREE Shipping, HKS, Specials
$ 220.00
FREE Ground Shipping!
$ 220.00

SKU: 4502-RA003 | UPC: 4957266548264

HKS Type 2 Speed Limit Defencer for Nissan 350Z, Infiniti G35/G37, Toyota Mark X, Nissan Skyline V36

The HKS Type 2 Speed Limit Defencer plug-and-play module cuts speed signal pulses above 180km/h to bypass factory limiters on 2003-2009 Nissan 350Z, 2003-2007 Infiniti G35, 2008-2013 Infiniti G37, 2004-2019 Toyota Mark X, and 2006-2014 Nissan Skyline V36. Install between speed sensor and ECU for instant access to full top speeds with no ECU flashing or wiring cuts. This reliable JDM device preserves all vehicle functions including odometer and cruise control.

Key Features

  • Plug-and-Play Wiring: Connects inline with factory harness connectors for setup in under 30 minutes without tools or cuts.
  • Precise Signal Cut: Blocks speed pulses exactly at limiter threshold enabling smooth acceleration beyond 180km/h.
  • CAN Bus Ready: Fully compatible with digital multiplex systems in JDM vehicles for error-free operation.
  • Compact Build: Weighs 45g with minimal footprint for mounting behind dash or near transmission.
  • Reliable Electronics: Japanese components withstand vibration, heat, and moisture for long-term track and street use.

Product Notes

  • Verify speed sensor wire color and type matches your vehicle before install.
  • Preserves odometer, cruise control, and all other functions unaffected.
  • Arrives in sealed retail packaging to prevent damage during delivery.

Installation Notes

  • Professional installation recommended.
  • Access speed sensor near transmission and use T-tap or plug connectors provided.
  • Compatible with stock harnesses with no vehicle disassembly beyond wire access needed.

This Part Fits

Year Make Model Submodel
2003-2009 Nissan 350Z All
2003-2007 Infiniti G35 Coupe/Sedan
2008-2013 Infiniti G37 Coupe/Sedan
2006-2014 Nissan Skyline V36 350GT All
2004-2019 Toyota Mark X GRX120/130/150 All

Why Choose HKS?

  • 40+ years developing JDM performance parts for street and track.
  • Every unit tested for exact signal timing and vehicle integration.
  • Backed by motorsport engineering from Japan's leading tuner.

Frequently Asked Questions

  • Q: Does it fit 2006 Nissan 350Z Roadster?
    A: Yes, works on all 2003-2009 350Z coupes, roadsters, Nismo, and Track models with standard speed sensors.
  • Q: What materials are used in construction?
    A: Rugged ABS plastic housing encases shielded circuit board with automotive-grade wiring and connectors.
  • Q: Is programming or warranty impact involved?
    A: No programming required. Non-invasive design avoids ECU alterations and maintains factory warranty eligibility.

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Retail box 4.72 x 3.94 x 1.57 inches
  • Weight: 0.22 lbs

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HKS

HKS

HKS is a Japanese manufacturer of premium performance parts founded in 1973 that has been at the forefront of turbocharged engine development, producing turbochargers, exhaust systems, engine management, intercoolers, and supporting performance components for some of the most iconic Japanese sports cars ever built. The brand's GT and GTIII turbocharger series, Super Sequential Blow Off Valves, and Racing Suction intake kits are recognized globally as benchmark-quality products that combine Japanese manufacturing precision with decades of motorsport development experience. HKS products are particularly well-known in the Toyota Supra, Mitsubishi Evo, Subaru STI, Nissan GT-R, and Honda NSX communities, where the brand's heritage in building the world's fastest versions of these cars has created a loyal following among enthusiasts who want the best available components. From a simple racing suction kit to a complete GT turbo with intercooler and ECU tune, HKS provides an end-to-end perf...

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