1967-72 C-10 CAB FLOOR PANEL ASSY 9z_hotclear The adjustment should be used

The adjustment should be used to fine tune ride height after you install lowering keys or CALMAX arms

then you will need to order a wiring harness

Belltech 34855

Pro Coil Lowering springs Here is the situation

1967-72 C-10 CAB FLOOR PANEL ASSY 9z_hotclear The adjustment should be used1967 72 C 10 CAB FLOOR PANEL ASSY Key Parts, Inc. has been the leading developer and distributor of die stamped rust repair panels in North America. Key Parts is the standard for quality and offers over 4,000 items to help with your repair or restoration. Key Parts makes it possible for you to make an effective repair of the rust on your vehicle without the expense of an entire replacement part from the dealer. Upper wheel arches save the expense of