I was wondering if anyone on here could help me out and tell me what length kings I need for my 05 f150... It will be running a 4" deaver under the axle with a bed cage?

 

well if your running a bed cage im going to assume you are running the shock from the cage to the axle. if so, you have to measure it yourself. if your going to use the stock shock mounting location, after the deavers are in, jack the rear up and let the axle drop, then measure it.