normaly air struts or air shocks only have a 1/8 inch airline goin to them.if you want some adjustability.just put air bags on it.doin it that way,youll be able to go up and down.:thumbsup: either way,you could spend a good amount of money or damn near very little...one way,air compressors,air valves,air line, fittings,air gauges,air tank and switches....or another way,just put a shrader valve (excuse that spelling) and a tee fitting on the air line and fill it like youd fill a tire...its entirely up to you.i have a fully adjustable air ride suspension on one of my trucks.and i get CRAZY looks wenever i drive that.lol..but that one is being built for show only.