Nitrous Express Dry EFI Single Nozzle System (35-150 horse power), Less Bottle provides nitrous through a single Dry Nozzle. This system does not add fuel and is intended to be used with an engine management system that can add nitrous enrichment fuel through the engines injectors. Includes nitrous jets for 35-50-75-100-125 &150 horse power. This NX Dry nitrous system comes complete with a 1/8npt dry nozzle, a single .093 Lightning solenoid, wide open throttle switch, stainless bottle brackets, extra long stainless braided N2O line, relay with harness and all necessary hardware to complete the installation.