Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Rywire 02-04 Honda K-Series Mil-Spec Engine Harness w/OBD2 02-04 RSX K20 Sensors**Chassis Adapter Harness REQUIRED!!** Version 2 of the Rywire K series Milspec Engine HarnessThis version was created to facilitate a more universal chassis, and harness routing preference. This style can be routed more like the OEM k series engine harness through the center or more to the right on the firewall than it's Version 1 counterpart. This routing method is ideal for our (RHD) Right Hand Drive customers however NOT exclusive to RHD chassis
**Chassis Adapter Harness REQUIRED!!**Version 2 of the Rywire K-series Milspec Engine Harness
This version was created to facilitate a more universal chassis, and harness routing preference. This style can be routed more like the OEM k-series engine harness through the center or more to the right on the firewall than it's Version 1 counterpart. This routing method is ideal for our (RHD) Right Hand Drive customers however NOT exclusive to RHD chassis and does work fine on a LHD chassis.
Version 2 is also routed in a way which allows you to get around aggressive exhuast manifolds.
About the Mil-Spec K-Series Engine Harness:
This harness offers Mil-Spec Teflon coated wire. Standard wall ethylene-tetrafluoroehtylene (ETFE) insulation ( also known as Tefzel ) designed for aerospace applications where weight, dimensional tolerance, and mechanical durability are required. This wire exhibits high chemical and radiation resistance. using standard factory wire colors with a maximum heat rating of 200°C . The Teflon coated wire is loomed with The highest quality Raychem DR-25 heat shrink covering, and adhesive lined wire junctions to keep moisture out. Each connector is crimped with pneumatic heads to ensure an OEM crimp every time, then tagged with a yellow identification label for easy installation. All heavy interference circuits are protected and grounded with proper wire covering.
Our Mil-Spec harnesses are 100% quality tested pin to pin, and resistance checked to ensure no voltage fluctuations. These are the best harnesses money can buy. NO CORE is necessary when buying a harness from us!
This harness follows an OEM style configuration meaning that you'll still need a interior Computer adapter for your chassis - see the K-Series Computer Adapter link and add-option below!
Rywire also offers a Firewall mounted Mil-Spec connector that will allow easy engine removal for quick engine changes and customization. It can be added along with the Mil-spec Firewall Plate for a show-quality setup.
These harnesses are warrantied and guaranteed to work, we provide excellent installation phone support and troubleshooting to ensure this reputation for quality, however they are non-refundable.
Please ask about our custom Mil-Spec wire harness looms that are not listed online.
HARNESS CONNECTOR LIST:
- VTEC solenoid
- VTC
- Oil pressure sending unit
- Crank Sensor (CKP)(02-04 K20 style)
- Coils 1-4
- Cam (CPS) Exhaust Side
- Top Dead Center sensor (TDC) Intake Side
- Engine Coolant Temp (ECT)(02-04 K20 style)
- Knock Sensor (KS)(02-04 K20 style)
- Intake Air Temperature (IAT)
- Alternator
- Manifold Air Pressure (MAP)
- Throttle Position Sensor (TPS)
- Idle control motor
- Electronic speed sensor (VSS)
- Injectors 1-4
- h20 sending unit (for gauge cluster)
- Reverse Lights
- Reverse Lockout solenoid
- Starter signal
- Computer plugs A and B
- Power distribution cap
- Ground
- 2 Extra Wires
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 1655 reviews
Sort
Product Reviews
★★★★★ 5
Lentes graduables
Color: Black, Size: 51/17/145
Súper finos y lindos
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 8, 2025
★★★★★ 5
Corren pequeños
Color: Black, Size: 51/17/145
Corren pequeños!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 4, 2025
★★★★★ 5
Glasses
Color: Black, Size: 51/17/145
Beautiful glasses. So.e people asked me where I bought them. It is so cute.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 6, 2025
★★★★★ 2
Not in perfect shape
Right arm do not touch the base, they don’t look straight when you wear them. They were not in perfec conditions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 25, 2026
★★★★★ 5
Quality
🩷🩷
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 5, 2025