A bag of the various fittings, then the air pressure sensors, and the pimp daddy remote controls.....push a button, and PSHHHHH CLUNK !
The harnesses are all covered in techflex and all are preterminated, my OCD is at ease.
The Ridepro soleniod block, one awesome piece of billet magic.
The pair of Thomas 327 pumps, I know Viair are faster and prettier, but these are fine for my use, and weatherproof and reliable.