airbag sutup i built for my 50 buick.this is a complete setup.the bags will bolt into your spring pockets.4 slambags -r7",dc5000 compressor [biggest available],3gal polished aluminum tank didgitel under dash screen that shows all 4 bag pressures tank,valves.when i removed it i saved all the wiring and air lines.some trimming of the front spring pockets to fit the bags will be needed.i have plenty of pics to help with the install and directions.i believe it will fit from 41 to 57 buicks,the 54-57s will have to move the shock placement.i'm going to a subframe. asking $ 550.00 + shipping