LS1 Wiring Specialties Pro Harness For RX-7 FD

This Wiring Specialties PRO Series harness was designed from the ground-up to exceed OEM specifications for wire quality, power/ground routing.

Looking for the best in aesthetics, weight savings and reliability out of your harness?  Our Pro Series harness completely replaces your old OEM harness so you can forget about those electrical gremlins.

This harness is specifically engineered for a USDM LHD FD Mazda RX7 (93-95) with the LSx engine swap. It was developed in house on an actual LS1 engine in a FD chassis to ensure a perfect fit to all engine sensors. With our simplistic and 'tucked' approach the end result will be a clean and worry free installation with a guaranteed start up​.​