RideTech
http://www.ridetech.com/store/1963-1...ar-system.html
Schrader valves. Firestone 2600 bags front and rear if you make your own cups. My rear kit came with 2500s.
Kit came with cups that make bag two bolt to center nut to use all thread to attach to factory nut. Spins on.
Amazon.com
Amazon.com: 2 - 2600 Air Bags 3/8"NPT Single...