Ive done search after search. But i have a some rear lowing spring for a fbody, and am trying to find specs.

Blue in color,

Full text on springs..

FACTORY 50001006 REAR

Any help much appreciated. Looks like it can drop it about 1.5 in or more.

 

Last time I had any personal experience with blue, F-body springs, it was with a set of Suspension Techniques springs, that I put on the '85 Firebird I used to own. This was around '92-'93....