yes their should be a right and left labeled on them

 

Hmm there was no labeling or directional arrow or anything. I have it so the top of the slot is towards the back of the truck and the bottom of the slot is toward the front which made sense to me. Does anyone know if this is the correct way?

 

you got them from ebay ask the seller , i know all the slotted and or drilled rotors i have seen are marked right and left

 

Alright I shot the ebay seller a question. If anyone else has any ideas let me know!