High Current Nitrous Solenoid Driver for use with Holley EFI. 40 Amp maximum current draw Nitrous Solenoid Driver - High Current Nitrous Solenoid Driver Sold as Each Holley 554-111 Diagram Emissions This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles 1967 and older U.S. manufactured Federally Certified vehicles 1967 and older Foreign manufactured vehicle WARNING: It is against the law to install this part on an Emissions Controlled VehicleThe following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles 1968 and newer U.S. manufactured Federally Certified vehicles 1968 and newer Foreign manufactured vehicle Specifications Amp Draw 40 Amps Maximum Brand Holley EFI Emission Code 3 Product Type High Current Driver - Module UPC 090127666319 Part Number 554-111