Personally I've never used Max Car Care for anything, I applied my ceramic coating myself. I have heard of some stories about a year ago of their operations, and I didn't want to take my vehicle there - I am unaware of their current practices, but for detailing and ceramic coating, I wouldn't...
As you've previously stated. It's the buyers responsibility on whether they decide to run these purely for track work, or on the road, noting the fact that they are not compliant for the latter.
And territories*. Perfect for track vehicles, or people who don't mind running the risk. I've spoken to both Shannons, and a Shannons assessor, and insurance claims are fine as long as the spacers are not a direct and irrefutable cause of an incident.
For sale is a brand new pair of Venom billet aluminium 20mm wheel spacers to suit the S550 platform. Hubcentric and anodised. Perfect for filling out the rear guards. Message me with location for a price on postage.
$70