Looking for Stock Impala SS springs for my Cadillac.

Looking for Stock Impala SS springs for my Cadillac.
Your Source for Auto Recon and Lumina Customization.
Jay
1988 GMC Sierra K1500 Indy 500 Support truck clone AWD "Syclone on steroids"
1991 Chevrolet S10 Blazer with every option that can be added but never could have from the factory
1995 Oldsmobile Silhouette that's my trusty companion and has followed me all over the country
THE ANSWER TO 1984 IS 1776.

From the caddy forums:
fleetwood brougham: (base)
caprice 9C1 ( heavy duty springs) same height as fwb, but stiffer (I think)
normal caprice. 1 inch less than 9c1 or fwb springs. softer spring rate than 9c1
stock impala SS springs. 2 inches lower than fwb springs. stiffer than fwb, but not as harsh ride as impala SS lowering springs.
impala SS lowering springs 4 inches? lower than fwb springs.
What im going for:
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Your Source for Auto Recon and Lumina Customization.