ceramic is supposed to be similar to fiberglass wrap without trapping water. Less heat soak to surrounding parts. shock, radiator & hoses, oil pan. People say they notice corvette underhood temps lower after having them coated.
Not LBTS at all except the leads are pulled out, no h7 bracket, 1 fan shroud missing, dented on one tip.
Free if anyone has a project they could use them on or test with. They were decently powerful 16000lm 6500k before being damaged.
Got one of these which seemed pretty slick if you don't have usb or voltmeter.
It measured 12.5 in the car even when i gave it gas but it is a CVT.
Measured a spare battery at 13.2 with a regular voltmeter. This thing 12.5. Measured a 9v batt.. 12.5
Raising hell with the seller.
I had an SV one that leaked not on a seam. I took it to a repair guy, not in Ohio, who said he fixed and "pressure tested it" with air twice and it still dripped until I JBW it.
Fixing might depend on if bent open or cracked would be harder.
Someone here fixed a subframe with these-