S&s Cycle Breather Valve - 31-2100 For Harley Motorcycles 1993-2000 Handlebars The Machine Cut end cap

The Machine Cut end cap enhances the visual appeal and adds a striking style to your motorcycle setup

) Overall Seat Length 28" Driver Seat Length 14" Driver Seat Width 10" Rear Seat Length 12-1/2" Rear Seat Width 6-1/4" Units Each Riding Style Street

'99-'07 FXST

Do not fit 2024 to present Touring models

GEN 300 Series are brighter with a wide viewing angle

S&s Cycle Breather Valve - 31-2100 For Harley Motorcycles 1993-2000 Handlebars The Machine Cut end capFeatures New style breather is not dependent on the rotation of the crankshaft to make it open and close. Instead, reeds open when pressure in the crankcase becomes greater than pressure in the cam chest, and close when pressure in the cam chest is equal to or greater than pressure in the crankcase By opening and closing "on demand," the reed valves automatically compensate for lag time associated with accelerating the mass of air as it is forced out