EFI 4 Self Tuning Fuel Injection System is perfect for your Ride. Rated at 600 HP but is suitable for engines from 250 HP thru 600 HP. This system features timing control, wet flow annular discharge, the fastest most accurate self-learning available, and tons of additional features.
Direct bolt in place of a 4 Barrel Square Bore Carb.
* Choice of three fuel inlet connections
* Will work with CDI box, but not required to control timing
* Adjustable fan control switch
* Can be used with an engine-mounted returnless fuel command center
* Uses easy-to-replace, GM-type sensors and Bosch 4.2 wideband oxygen sensors
* Wet Flow swirl spray annual discharge obtains complete atomization
* Voltage-controlling fuel pump control reduces power under low loads to lower temperatures
* Systems with mounted ECUs offer spark control without the need for an external spark box or special distributor
* Designed for applications making at least 6 inches of vacuum at idle