Plug boots Burning TTI Headers

I was wondering what the guys that are running TTI headers on your small block have done to keep from burning boots? Here are my #5 & #7 boots on my 408 small block,
View attachment 1715793015
I only have about 500 miles on the motor and I am using these DEI Titanium boot protectors from first startup. These are supposed to be good to 1800*.
View attachment 1715793018
I didnt know if there is some type of metal guard that would go between the header and insulator but there has to be something better.
Thanks
Rod

How are your wires routed?