Fuel Tank Gas Petcock Valve For HONDA CB250 Nighthawk 1995 1996 1997 1998 1999 16950-KBG-670 18mm 18x1mm Fits: Honda 1991-2007 CB250 M/N/P/R/S/T/V/X/Y/ 250 Nighthawk Replaces Honda Part Number: 16950-KBG-670 Petcock thread size = M18x1(18x1mm) / 24mm hex nut / Petcock positions: ON-RES-OFF Package Includes: Petcock switch, Fuel filter pipe with screens, O-ring seal Please refer images we provided for measurements, Read product details for more information