I need to know the distance, for the factory shocks, between the middle of the bolt that attach to the lower arm and the spring seat (exactly were the spring rest not the bottom part of the perch).

Anyone that still have the OEM shocks around and care to help on this I would greatly appreciated.

 

As near as I can tell the front is 12 5/8 inches and the rear is 7 3/4 inches.

According to Comptech the numbers are 12 7/8 and 7 3/4.

 

Cdelena:

Thanks a million for the info!
Just to be 100% sure. This is the distance from the bottom bolt to the are were the spring seats. right?

 

Yes, from the centerline of the mounting bolt to the spring bearing surface.