If you go back to stock category allowances, sphereical bearings in the shock absorbers is allowed. Any changes allowed in stock are allowed in ST. Moving the spring position to be around the shock body looks like a no-go though.
Parking Lot Hero
2008 WRX daily driver
2003 ZX3 23D Autox Car 42 FSP
"Hella Functional - Raced, Not Hard Parked"