PRO Series Engine Harness for RB20DET S13

This Wiring Specialties PRO Series wiring harness is specifically engineered for the RB20DET Gen 2 engine swap into a USDM S13 240sx, covering model years 1989-1994. Designed from the ground up, it aims to replace your old OEM harness entirely, addressing potential "electrical gremlins" and providing a more reliable system. The PRO Series harness is built to exceed OEM specifications in wire quality and features an optimized, 'tucked' approach to power and ground routing. This design facilitates a cleaner installation and contributes to a worry-free startup experience. The harness was developed in-house using an actual RB20DET engine to ensure a perfect fit for all engine connections. Wiring Specialties also offers various options for common performance upgrades, allowing for customization during the build process. Customers are encouraged to select from the available options to tailor the harness to their specific needs. The company emphasizes reaching out with any questions for assistance in building the perfect harness.