Idler arm hits on header

Heres another one for you...

Spark Plug wires! I just tried to put mine on today. That doesn't work either!

How do you get that last wire in place? it touches the header and will melt right off!!

I know that in the summit catalog that they have sleeve type things (sorry cant come up with the word) that are made out of heat resistant fabric that wrap around the boot and are supposed to keep the headers from melting it. I need to get some myself.