first one is the red disc brake quite tube you use to put on the back of pads to help with noise can i put it on now even though im not changing my brakes for a couple days or do you have to put this stuff on and immediately install to calipers? second look at this page im so confused these are the same exact rotors yet once twice the price with no explination wtf!!
https://www.napaonline.com/Search/Co..._01863 28963+