6" lift with ride rite?

I have a 2013 Tundra that I will be pulling with occasionaly and want to set it up right for as many conditions as possible. I know I can use ride rite with cradles to keep some off road ability. My question is if there is too much space because of the lift can I also use spacers to make up the difference if needed? So basically 3 things ride rite plus spacers plus cradles?

 

You need to contact the airbag companies of the products you are considering. Air bag spacers are used for lifted trucks, but you will need to confirm your application with firestone.

https://www.firestoneip.com/contact-us/

 

I forgot to mention that much truck does have a 6" lift.