for Holley EFI Can Harness 558-443 Fit for Holley EFI Sniper EFI Terminator X CAN to USB Dongle Communication Cable Direct for Holley EFI Can Harness, 558-443 Fit for Holley EFI, Sniper EFI, Terminator X, CAN to USB Dongle Communication Cable, Direct PC Connection for Tuning & Monitoring (8FT) Product Description Material: Plastic, Rubber, Stainless Steel Package Weight: 0.13kg Packaging Size: 11.6*10.5*4.2cm Package included: 1* Holley EFI Can Harness 【Precision-Compatible with Holley EFI Systems】This 558-443 CAN to USB dongle is purpose-built to fit for Holley EFI systems, including Sniper EFI, Terminator X, HP EFI, and for Dominator ECU platforms. Whether you're running a street build or a full race setup, this cable ensures error-free communication between your vehicle's ECU and your tuning software. No additional adapters or conversion tools needed — just plug and go. 【Real-Time Data Logging & Diagnostic Power】Instantly stream live engine data to your laptop for analysis, troubleshooting, and performance optimization. This cable supports direct data logging using software, enabling real-time tuning, code reading, and advanced diagnostics — ideal for custom builds, dyno sessions, or on-road adjustments. 【Extended 8-Foot Length】Featuring an extra-long 8-foot cable, you’ll have the flexibility to run diagnostics or tune from inside the cabin without relocating your laptop or ECU, ensuring stable and clean signal transmission, even in high-noise automotive environments. 【Rugged Construction for Garage & Track Use】Designed to withstand demanding automotive settings, this cable uses molded, corrosion-resistant connectors and a durable PVC-jacketed cord that resists heat, oil, and abrasion. It’s made to handle repeated use in workshops, engine bays, or trackside tuning—delivering consistent performance. 【Plug-and-Play Simplicity】Forget the headaches of complicated installations. Just connect the CAN connector to your Holley EFI system, plug the USB end into your laptop or PC, and launch the Holley tuning software. 【Satisfaction Guarantee】We are dedicated to delivering professional and heartfelt service to enhance your shopping experience. If you're not completely satisfied with your purchase, simply return it within 30 days. Additionally, we offer a 12-month warranty for your peace of mind. "We aims to provide the best service for our customer, If you have any problem about your order, please feel free to contact us."