Bilstein B14 Audi S4 (8E) K4 Performance Suspension System (May Req. OE 8E0412377C)

p class="p1">Bilstein Suspension allows adjustable vehicle ride height without the expense of a fully adjustable damping system. This system features both Coilover and standard mono-tube gas pressure shock or struts with performance level valving for application-specific, progressive rate coil springs.

Product benefits at a glance:

 * Threaded body adjustable range of 20 mm 

 * Lowering of approx. 30-50 mm at front and rear

 * Road-tested and fine-tuned by BILSTEIN ride engineers, under extreme motorsports conditions

 * Aluminum Spring plates and lock nuts 

 * Surface coating using Triple-C-Technology®for long-lasting corrosion resistance

 * Round threads for easy adjustment

 * Quality sport springs made from highly durable material

 * Gas pressure technology

 * BILSTEIN monotube technology, made in Germany