Alto Clutch Friction Discs for 1971 to E1984 Harley-Davidson Sportster Handlebars and Controls but many aftermarket cases like

but many aftermarket cases like S&S Shovel and Evo are drilled & tapped for this style of oil filter mount

and slim arms which make them wildly popular

Can be adapted for use mounting oil tanks and other items that would benefit from  vibration isolation

Uses OEM Oil Filter – No restrictive paper elements here

Alto Clutch Friction Discs for 1971 to E1984 Harley-Davidson Sportster Handlebars and Controls but many aftermarket cases likeAlto Clutch Friction Discs for 1971 to E1984 Harley Davidson Sportster Ironhead wheelies are good for the soul but not so great for the clutch. Trade slip for grip with a new set of friction discs. Made in USA 8 friction discs For wet clutch Meets or exceeds OEM specifications