Does anyone know if there are any type of stiff performance springs available for the 2001 Grand Marquis whether it was made for our "phantom" chassis or simply just happens to be compatable? I'm looking to improve my cornering and over all performance of my vehicle while maintaining the stock look and ride height.

 

Check Crown Vic police (PI) PROFORMACE INHANCED. They may have what you what, or Ford Racing and after market shops. I am not sure what's available but it's worth a look...