This retrofit rotor kit is exclusively made by RB allows Explorer ST (2020+) owners whether you have base or sports models to upgrade your rear brake to 1" up BBK retain OE calipers. Note Base model owners need to acauire the rear Sports calipers (not included) in order to install the kit.
Installation Note:
Fixed pistons caliper requires more space on outboard than OE floating calipers but it should fit Stock 20"+ wheels w/o issue or you may need to add wheel spacers as needed.
Rotors are made for a direct bolt-on installation to Explorer spindle.
Ecplorer ST Performance rear (RED) calipers are required and are not included in the price which are to be acauired by customer.