Perimeter Plate Nitrous system - Go, Baby, Go! Photo Gallery
14 Assemble the solenoid lines and bracket the same way, using the appropriate fuel jet--in this case a No. 43. The inlet fitting is a barb unit; you'll need to install a tee in the main fuel line to get fuel from it to the solenoid. When we installed the inline fitting (with added pressure gauge, safety switch, and warning-light sending unit), we used a 1/4-inch NPT close union to attach it to the solenoid. This was placed on the other end of the inline fitting and attached the fuel line with a hose clamp.