Spark plug question
#1
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
Hello all, I got a spark plug question,I have a 06 Escalade 6.0l engine wondering if I could run ngk tr55 plugs in it for better performance? I ran them in my 02 Camaro ss an I was happy with them ,or if not please any suggestions would be great ,thanks