These bungs are for 5/16" hardware

The rear motor mount bolts are very easy to access with our unique design

a stock-style 22mm H-D style petcock (Left side when sitting on bike)

Our motorcycle oil tanks feature three mounting points

This tool also works with BSA A50 and A65 unit twins such as Royal Star

Heavy-Duty Fork Springs 1999-2005 Harley-Davidson FXD FXDC FXDL 2004-15 XL Models Subcategory_Transmission Components These bungs are for 5/16"Tired of your front end diving under braking or feeling harsh over bumps, especially if you're a heavier rider? These Heavy Duty Fork Springs from Progressive Suspension are the go to upgrade for a substantial improvement in ride quality and control. Progressive Rate Advantage: These springs are soft enough at the start of their travel to soak up small road bumps for a "plush" ride, yet become firmer as they compress to absorb the big, molar rattling