Check the listing for details. 15603 Nitrous Express Nitrous Purge System For Lightning Solenoids. Condition: New. Listed at 190.17 USD. 15603 Nitrous Express Nitrous Purge System For Lightning Solenoids Description: The NX Purge System is designed to purge the air from your nitrous lines to allow immediate activation of your Nitrous system. This System includes a Lightning solenoid, push button for activation, and a vent tube to direct the purged nitrous out of the solenoid. Included is a 1/8th NPT to 1/8th NPT fitting. This allows you to connect and take advantage of the built in purge port of Lightning and Iceman solenoids. The Purge system can also be used to lower the bottle pressure for spot on nitrous performance every time you activate the system. Purge System includes: Purge SolenoidPush button activation1/8 to 1/8 NPT Fitting1/8 NPT to Compression Fitting7 inches of 3/16" Stainless TubingIf you use solenoids without a purge port, you will need: PN 15600 If you run a -4 AN feedline.PN 15601 If you run a -6 AN feedline. Shipping is FREE inside the contiguous United States. If shipping to Alaska, Hawaii or Puerto Rico please message us for a quote for additional shipping costs.