WMS / MSD Blaster EFI system w/ wideband O2 and engine harness Our new hi-tech EFI system for Fords is based on the MSD Blaster EFI that offers high-end performance and options in an affordable system. The system is laptop programmable and comes standard with a Wideband O2 sensor and onboard data logging. This version comes with an engine wiring harness and sensors for EFI conversions.
