You thread it on then tighten the bolt and give it a smart rap with a hammer to pull the clutch hub from it's taper

Race use for Enduro and MX electric start bikes up to 800cc

To mount these Shotgun Pipes to a rigid frame we recommend the Rigid Frame Mounting Bracket for Shotgun Exhaust Pipes (Sold Separately)

Accurate reproductions used on 1936-1948 Big Twins and 1941-1957 Servi-cars

Norton motorcycles as well as for custom applications

#2966-10 Grade 8 Head Bolt Kit 1977-1984 Harley-Davidson Shovelhead - CAD Plated Subcategory_Tachometers You thread it on thenGrade 8, CAD plated replacement flanged headbolt kit used on 1977 1984 Harley Davidson Shovelhead. Replaces OEM# 16814 77. Made In Ohio, USA.