Firestone Airbag installation without dropping the axle. (5th gen 4Runner)

FIrestone Coilrite Air Helper Spring installation on 5th Generation 4Runner with 2" Toytec Lift.
The kit used is F4135 with extra F6003 springs (due to the lift). If you have a stock 4Runner, the F4135 Firestone Coilrite Air Helper Spring kit is the correct kit.
The method here is a way to install the system without dropping the axle and removing the coil spring.