These are 1/8" NPT threaded aluminum bungs

Use of this tool will prevent damage to clutch caps or primary caps

Colony Machine #6904-3 3/8-24 SAE Chrome Plated Pike Nuts - 3 Pack

locking it in place while you install or remove primary or clutch components

• Height: 2-1/2 inches

Solo Seat Bolt-On Spring Mounts - Black Outside Diameter_.563" These are 1/8" NPT threadedThese bolt on spring mounts can be mounted on a frame without having to weld. This kit contains the seat spring mounts, saddle washers, bolt and lock washer which are all black oxide coated so they blend in with your frame. This kit can be installed by drilling two 5 16 inch holes through your seat cross tube and bolting them in place with the included hardware. In addition to a very easy install, if you decide to change your seat style in the future