NOS' new nitrous solenoids feature a new proprietary plunger material that resists swelling, yet seals as good as a Viton type material. The nitrous solenoids also feature a new blue powder coated housing where the new NOS fuel solenoids feature a red powder coated housing for easy identification and good looks. All NOS solenoids also feature stainless steel bases with the NOS logo stamped in so you know it is a quality NOS solenoid. Bottom Discharge Reduce Flow and Pressure Loss Additional Attributes: GTIN: 00090127684276 Amperage Draw: 11.5 Inlet Size: 0.250 in. NPT Maximum Horsepower: 450 Orifice Diameter: 1/8 (0.125 in.) Outlet Size: 0.125 in. NPT Plunger Material: PTFE Purge Port: 0.125 in. WARNING CA Proposition 65: No Packaging: Quantity of Each: Package UOM: Dimension: 2.5000 x 4.5000 x 2.0000 inches PDF: A5142-SNOS