




Vendor:Speedzone Performance LLC
SPDZ1 K-Series RSX Civic Si EP3 K-Swap Tucked Engine Harness (Includes Power Lead)
Applications: 02-04 RSX Type S, RSX Base or EP3 with Type S or K24 Swap with extra power wire.
- All plugs included (Fan Switch, IACV, Coolant Temp Sensor, Both Knock Sensor Plugs)
- Covering is gas and diesel resistant and rated for -55 C to 15° C (-67 F to 320 F)
- SAE Certified Automotive Grade Wiring
- All plugs are labeled
- Tucked design
- Harness runs over valve cover (Can be covered with coil pack cover)
- Injector wiring runs from under manifold between middle runners.
- Ground wire relocated to stud under coil pack cover (instead of front of the valve cover)
- Includes single wire temp sensor wire (For k-swap cars stock cluster)
- 3 Aux wires run from ECU to under intake manifold. Two ECU pins pre-installed.
- Wiring long enough for both VSS low frequency or high frequency (High Frequency transmissions will require repining plug and slight modification to VSS)
- Extra knock sensor plug included.
- Each harness is inspected and tested before shipping.
- RDX injectors plugs come standard (RSX Type S injectors use the same pin. Can be easily switched)
Base Model RSX and EP3 require 02-04 Type S swap or K24 with K20A2 Transmission
Ships within 1-2 business days.
100% Genuine Parts
Fitment Guaranteed

SPDZ1 K-Series RSX Civic Si EP3 K-Swap Tucked Engine Harness (Includes Power Lead)
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.


