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SKU: 4103-RA001 | UPC: 4957266553381
HKS Timer Harness Universal 4103-RA001
The HKS Timer Harness Universal provides essential wiring for HKS Timer control units used in turbocharged JDM vehicles. This plug-and-play harness connects directly to HKS boost timers for accurate signal relay. It supports universal fitment on models with HKS electronic boost systems improving spool time and throttle feel.
Key Features
- Universal Compatibility: Works with HKS Timer units like those paired with EVC boost controllers across JDM turbo setups
- Pre-Terminated Connectors: Secure plugs prevent loose connections during high-boost runs for consistent performance
- High-Temp Resistant Wiring: Insulated cables handle engine bay heat up to 105°C without signal degradation
- Compact Length Design: 1.5m harness length fits tight engine bays without excess wiring
- Direct Boost Control: Enables precise timing of solenoid activation for faster turbo response
Product Notes
- Pair with HKS Timer control unit 4103-R01 for full functionality
- Inspect connectors before use to ensure no transport damage
- Packages securely to prevent bending during transit
Installation Notes
- Professional installation recommended.
- Route harness away from moving parts and exhaust heat
- Compatible with HKS factory connectors no cutting required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | HKS Compatible | All Turbo Models | Boost Timer Equipped |
| 1989-2004 | Nissan | Skyline GT-R | R32/R33/R34 |
| 1993-2002 | Toyota | Supra | JZA80 |
| 1992-2005 | Mazda | RX-7 | FD3S |
| 1992-2021 | Subaru | Impreza WRX/STI | GC8/GDB/GV |
| 2003-2006 | Mitsubishi | Lancer Evolution | 8/9 |
Why Choose HKS?
- Motorsport heritage since 1973 with JDM racing wins
- Precision-built components tested on dyno and track
- Engineered wiring withstands 500+ horsepower demands
Frequently Asked Questions
-
Q: Does this fit specific HKS boost controllers?
A: Yes designed for HKS Timer units used with EVC4 EVC5 and solenoid valves on turbo vehicles -
Q: What wire gauge is used?
A: 22AWG high-flex insulated copper wiring for durability and low resistance -
Q: What warranty coverage applies?
A: HKS one-year limited warranty against manufacturing defects with proof of purchase
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective box 6 x 4 x 2 inches
- Weight: 0.22 lbs
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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