What the hell is this?

[@stevegnome]

Its a puck for jacking up the front suspension - locks into the hole on the lower arm and onto the top of my jack...

[@iamthealgorithm3190]

A bushing?

[@graemelliott3942]

Stamping tool for flaring holes aluminum sheet metal?

[@stevegnome]

its a jacking puck - I can jack up on the front suspension arm without harming the paint of fear of it slipping off. :)

[@James-yv3xj]

Bung

[@pottagevillain]

Urethane

[@DavidsProcessWest]

I would say it is "Unnecessary" as the front suspension was not designed to include it.

[@stevesnodgrass7434]

Bump stop