Below are some pictures of the coil spring compressor kit that is avaliable from the autozone tool rental program

OEM# 27035

Unfortunately, the u-shaped clips on the coil spring compressor aren't quite wide enough to be safely used on the 2001 crown victoria hpp spring shown below. Police front coil springs use a larger wire diameter than the civilian hpp springs, so this compressor can't be safely used on a police cruiser either.

Here's the 560/2038 tear tag on the spring