Hotchkis 19105 300C SRT8 & Charger SRT8 Sport Coil Springs - Manual (Page 7)

INSTALLATION OF HOTCHKIS REAR COIL SPRINGS
1) Secure the front wheels with blocks and jack the rear up until the front wheels are off the ground.
Support the rear of the vehicle with jack stands on the factory jack points.
2) Remove the rear wheels using a 21mm socket.
3)
Next, remove lower nut and bolt using a 18mm wrench and 15mm socket respectively. You are not
required to remove the rear shocks.