1-1/4 inch diameter

A good set of clutch plates is really important to transfer the power your engine is creating efficiently to the rear wheel

Fish Scale Grips from Lowbrow Customs have proven themselves as an instant classic

Universal Fit: Designed to be installed in any 1-1/2 inch outside diameter exhaust pipes

motorcycle (T120 Bonneville

#8747-12-P Oil Pump Mounting Kit Smooth Allen Screw Kit 1978-1991 Harley-Davidson Shovelhead & Evolution - Chrome Plated Subcategory_Mechanical Brake Components 1-1/4 inch diameterChrome plated polished allen screws fit Harley Davidson Shovelhead and Evolution 1978 1991. Made In Ohio, USA.