H&R 39471-1 Premium Performance Coilovers are a great choice for those wanting enhanced looks and performance on their daily driven cars. The Premium performance coilovers are a step beyond the street performance line with aluminum bodies to further reduce unsprung weight and improve the reaction time of the suspension. 

H&R Premium Performance Coilovers feature H&R's exclusive dynamic damper technology with shocks engineered to work in harmony with the progressive-rate springs creating a finely-tuned suspension system.

H&R 39471-1 Premium Performance Coilover Vehicle Fitment and Ride Height Specs:

• 1999-2001.5 Audi S4 Sedan  1999 Audi S4 Sedan | 1.6-2.5" F 1.3-2.0" R  2000 Audi S4 Sedan | 1.6-2.5" F 1.3-2.0" R  2001 Audi S4 Sedan | 1.6-2.5" F 1.3-2.0" R  2001.5 Audi S4 Sedan | 1.6-2.5" F 1.3-2.0" R 

Note:
Lowering height may vary on vehicles optionally equipped with factory sport suspensions or different engine configurations.

H&R Premium Performance Coilover Manufacturing:
H&R premium Performance suspension kits use threaded anodized aluminum mono tube shock bodies to minimize unsprung weight, provide corrosion protection, and allow high heat dissipation.
H&R springs are crafted from a special shot-peened (hf) 54SiCr6 spring steel to ensure premium quality, performance, and durability.
All H&R coil-overs are hand-assembled in Germany to rigid ISO 9001 and German TUV standards.

H&R Coilover Install:
Professional installation recommended. A suspension alignment will be needed after installation.