Motorcycle Digital Ignition Unit Box Starter Ignitor Stable Output Igniter ECU for GSF400 400 1989-90 GSF 400 This digital ignition unit is designed to provide stable output for engine performance.It functions as a replacement igniter and ECU, consistent spark delivery for smooth starting and.Compatible with specific motorcycle models from 1989 to 1990, the unit integrates into the existing electrical system to optimize ignition timing.The compact design allows for easy installation in tight engine compartments.Built for , it supports efficient combustion and helps maintain engine responsiveness under various riding conditions.Note: This part is made by an independent vendor.Any brand/model mention is for compatibility purposes only.