Quote:

Quote:

Mopar recommends this on aluminum heads.



They are called Roloc discs and made by 3M.



Hmmm... Abrasive...aluminum oxide mds here

I guess if MOPAR says OK; however...



Forget what the MDS says , I use those to remove RUST off my firewall , the LAST place I would go near wit hsomething sporting ALUM> OXIDE as the cleaning surface is a MACHINED SURFACE ...