Solenoid Brackets For Holley Hi-Ram, Solenoid Brackets For Holley Hi-Ram., Nitrous Express Solenoid Brackets Fo, Holley, Hi-Ram. Solenoid Bracket, Solenoid Bracket For Hi-Ram, mounts the solenoids right above the fuel rails on your Hi-Ram Manifold, comes with 2 brackets total., Solenoid Brackets Fo, Nitrous Oxide Solenoid Mounting Bracket