This item is a AmeriPro Premium High Carbon Content Heavy Duty Rotors & Pads
It will fit the following years and models:

Replacement Parts for Ram 1500 Pick Up 2011-2018
Replacement Parts for Ram 1500 Classis Pick Up 2019-2021

 
Kit INCLUDES 5pcs (fits for rear)

2x Part# PR91180 AmeriPro High Carbon Content High Heat Fleet Duty Rear Brake Disc Rotors OE 52009968AA
1x Part# ASD898 AmeriPro Premium Heavy Duty Rear Semi Metallic Pads 4 Pads 1 set, and installation hardware, caliber pin boots
1x Part# 947 Rear Parking-Emergency Brake Shoe Set, both sides. Fit inside rear rotors
1x Part# 7329 Rear Parking-Emergency Brake Shoe Spring Set, both sides.