Ignitions and Electrical Wiring Harnesses

Rywire

Rywire 02-04 Honda K-Series Mil-Spec Engine Harness w/Chassis Specific Adapter

$1,400.00

SKU: R00L RY-K2-MILSPEC-EF-88-91-SI

In Stock
In Stock
Ships by Jul 30
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This adapter harness facilitates the installation of a K-Series engine using an 02-04 K20 engine harness into an 88-91 Honda Civic/CRX Si/EX/HF chassis. It connects to the chassis interior harness and supports K-Pro or re-flashed ECUs, or a stock RSX computer with immobilizer bypass. Made in the U.S.A.

Fitment

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Specifications

BrandRywire
Part NumberR00L RY-K2-MILSPEC-EF-88-91-SI

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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