Bolt on frame 3 or 4 link pivots works:
All new Bolt on frame link pivots works with any open C channel frames,
designed to be use with a 3 or 4 link application.
Weld It Yourself version.
This link shock mounts are a great starting point to making your own
bed cage with linking your truck. Can be used with a single coil over
shock and add the by-pass later or ready for both the first time. $200 pai