Set consists off all three stiffeners, front/ middle/ and rears. Buy the set and save.
Extend from the LCA mount to the to the front of the rear spring hanger. They are made from 10 gauge steel (0.134” thick) with rosette holes already in them.
Front frame stiffeners extend from the lower control arm mount to the front of the frame. They are made from 10 gauge (0.134” thick) carbon steel.
Rear frame stiffeners extend from rear front spring mount to rear spring mount. They are made from 10 gauge (0.134” thick) carbon steel.
The entire set costs $330(10% savings)