The Basic Coilover is our entry-level coilover system. Progressive rate springs provide a sporty ride, yet plush enough for everyday riding. These coilovers reuse your factory top hats, helping to keep the ride quality quiet and comfortable. Ride height is adjustable from approximately -0.5" to 3.5" ; below the factory. Key Features: ZINC PLATED DAMPER BODY AND ANODIZED LOCKING RINGS/UPPER BRACKETS PROVIDE RUST AND CORROSION RESISTANCE. APPLICATION SPECIFIC VALVE AND SPRING RATES ALLOW A SPORTY YET COMFORTABLE RIDE. ADJUSTABLE RIDE HEIGHT ALLOWS APPROXIMATELY 0.5" TO 3.5" DROP. REQUIRES THE USE OF OEM TOP BRACKETS.