HOLDEN COMMODORE VT-VX-VY-VZ SEDAN 8CYL (1998-JUL'06). 50mm "SUPER LOW" HEIGHTGENUINE KING COIL SPRINGS TO SUIT THE. THESE SPRINGS WILL LOWER THE CAR APPROX 50mm FROM FACTORY. ALL KING COIL SPRINGS ARE MADE TO HIGHER SPRINGS RATES THEN O.E. AND WILL REDUCE BODY ROLL AND IMPROVE HANDLING.