Michigan Motorsports LS1 3-Wire to LS3 5-Wire MAF Adapter Harness | Fits LS LSX Swap Applications | Mass Air Flow Sensor Conversion Adapter

Upgrade your LS swap the right way with the Michigan Motorsports LS1 to LS3 MAF Adapter Harness, designed to convert a 3-wire LS1 MAF connection to a modern 5-wire LS3-style mass air flow sensor. This adapter allows you to run newer LS3/LS7-style MAF sensors on older LS1-based wiring harnesses without cutting or modifying your factory wiring. Perfect for LS swaps, intake upgrades, and performance builds, this harness ensures proper signal conversion and reliable communication between your MAF sensor and ECU. Whether you're upgrading airflow capability or adapting to newer tuning setups, this adapter provides a clean, plug-and-play solution. Built with OEM-style connectors and durable wiring, this harness is designed to withstand engine bay conditions while delivering consistent and accurate airflow readings for optimal engine performance.

• 3 Wire to 5 Wire MAF Conversion: Converts LS1-style 3-wire MAF connectors to LS3/LS7 5-wire MAF sensors, allowing seamless integration of newer airflow sensor technology into older LS platforms.
• Plug and Play Adapter Harness: No cutting or splicing required, preserving factory wiring while providing a clean and professional installation for LS swap and upgrade applications.
• Ideal for LS Swap and Performance Builds: Perfect for intake upgrades, ECU tuning setups, and LSX swaps where a 5-wire MAF sensor is required for improved airflow measurement.
• Ensures Accurate Airflow Signal: Maintains proper signal communication between the MAF sensor and ECU, supporting stable engine performance, fueling, and drivability.
• Durable OEM-Style Construction: Built with high-quality wiring and connectors designed to handle heat, vibration, and long-term engine bay use.