Check the listing for details. Nitrous Outlet .178 Orifice Pro Mod Aluminum Nitrous Solenoid. Condition: New. Listed at 274.99 USD. .178 Orifice Pro Mod Aluminum Nitrous SolenoidSKU:00-50011-PM.178 OrificeFlows 600+ Horsepower5.6oz Over The Stainless SolenoidAluminum Body18 AmpsSide Exit1/4" Inlet & 1/8" NPT Exits DescriptionPro Mod. Nitrous Outlet Pro Mod Aluminum Nitrous solenoids are engineered to offer maximum performance and reliability. These solenoids are the same Nitrous Outlet quality as our stainless steel body solenoids, but have a aluminum base and slick black appearance.Heavy Duty. This unit is made from durable Aluminum to help withstand a healthy beating. The internal coil is encapsulated in epoxy for moisture protection and a rubber o-ring helps shield the unit from debris.Three Port Design. This solenoid has a 1/4 in side inlet fitting, a 1/8 in side purge port, and a 1/8 in bottom outlet. The bottom exit port is ideal for plumbing direct port systems using rails.