My friend told me about this over the weekend and I gave it a try. He said that if you buy a Walmart group 27 maxx battery,you can remove the caps and if you sand down the threads on the Mopar red caps not all the way, but almost all the way the caps will press in and fit tightly. Remove the decals and you have a Mopar restoration appearing battery! I know that they sell the caps on E bay I got mine from one of the dead restoration batteries!