Rywire Honda B-Series NA w/Emtron KV8+ Eng Harn (4 Inj No EMAP/Boost/ Adapter Req / Drop Ship Only)

If you're building a naturally aspirated Honda B-Series engine and aiming for serious tuning control with an Emtron KV8+ ECU, this Rywire engine harness is a critical piece of the puzzle. It's specifically designed to integrate your B-series engine with the advanced capabilities of the KV8+ unit, ensuring all your sensors and injectors communicate accurately. This harness handles the wiring for four injectors, which is standard for most B-series setups, and is configured for naturally aspirated applications, meaning it doesn't include provisions for MAP sensors related to boost pressure or EMAP. This keeps the harness clean and focused on the essential connections for your specific build.

Rywire is known for making well-built harnesses that simplify complex engine swaps and builds. This particular harness uses high-quality wiring and connectors to ensure reliable signal transfer, which is crucial when you're pushing the limits of a B-series engine. The design accounts for the specific pinouts and requirements of the Emtron KV8+ ECU, meaning you won't have to spend hours deciphering diagrams or making custom connections for your core engine functions. It's built to fit right into your B-series engine bay, making the installation process smoother. Since this harness is for NA applications without boost, it's a straightforward integration for those focused on naturally aspirated performance.

This harness is a drop-ship item, meaning it ships directly from the manufacturer to you, which can sometimes speed up delivery. Because it's designed for specific ECU and engine combinations, it's important to confirm that your B-series engine and Emtron KV8+ ECU are the correct match for this harness. It does not require any additional adapters for the core engine functions it covers, but always refer to the Emtron KV8+ manual for ECU setup and tuning specifics.