Enhance the performance of your vehicle's engine with the OEM Washer, Idle Adjust, Screw, Isg Efi. Designed to deliver seamless idle adjustment, this high-quality washer is an essential component for EFI (Electronic Fuel Injection) systems. With its precision-engineered design, the washer ensures accurate and reliable operation, allowing you to fine-tune your engine's idle settings for optimal performance. Whether you're a seasoned professional or a DIY enthusiast, this OEM washer is easy to install and compatible with a wide range of vehicles. Upgrade your engine's idle control system and experience improved fuel efficiency, smoother idling, and increased overall engine performance with the OEM Washer, Idle Adjust, Screw, Isg Efi.