for the setup i used:

regulator
5/2 solenoid valve
push fits + 8 and 12mm tubing
pneumatic ram (sometimes called a pneumatic cylinder)
2x 2kg co2 tanks (1 buffer 1 reservoir)
1 x smaller regulator ( to save gas on flipper return)
a load of guages connectors and adapters
battleswitch
ball valve for venting gas
PRV
2 quick exhaust valves

i may have forgotten 1 or 2 things