HOT80105-1 / 80105-1 - Application Notes Hotchkis' Stage I Kit for the 300C SRT8 consists of two products engineered to work together for everyday road and track day handling. Note: Not for vehicles with load leveling suspension Stage I Kits include Coils (#19105), a Sport Tubular Sway Bar Kit (#22101) Fits rwd 300C SRT8 & rwd Charger SRT8 Spring Rate: Front: 280lb Rear: 650 lb 300C SRT8 Drop:Front: 1/8" Rear: 5/8" Charger SRT8 Drop:Front: 1/4" Rear: 3/4"