Tempest SB-012 if you recently bought tempest plugs

[vupilot]

I bought a few plugs this summer so I fit under this and I am headed out to check the lot numbers and inspect for cracks now. If you bought Tempest spark plugs this spring or summer check it out.

https://aeroaccessories.com/wp-content/uploads/2026/08/sb-012_bulletin_form_-1.pdf