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

Shop Bilstein shocks and suspension at Black Ops Auto Works for monotube shock absorbers, struts, B4 OE replacement shocks, B6 performance shocks, B8 5100 ride-height adjustable shocks, B8 6112 suspension kits, B8 8112 coilover-style shocks, B12 suspension kits, B14 coilovers, B16 suspension systems, steering dampers, suspension hardware, and performance suspension components. Bilstein is trusted by enthusiasts, truck owners, off-road drivers, and performance vehicle owners who want better ride control, handling, stability, and durability. Use this Bilstein collection to choose the right suspension upgrade by vehicle platform, driving style, lift height, and performance goal. Bilstein B4 products are useful for OE-style replacement, B6 shocks support improved performance on factory-height vehicles, B8 5100 shocks are popular for trucks and SUVs with leveling or lift setups, B8 6112 and B8 8112 systems support more serious off-road and ride-height needs, and B14 or B16 kits support p...

Upgrade your vehicle with high-performance coilovers and coilover kits designed to improve handling, ride quality, and stance. We carry premium adjustable coilovers, suspension systems, and performance dampers for street, track, and off-road applications. Coilovers from Top Suspension Brands Shop industry-leading brands trusted by enthusiasts and professional builders, including FOX, Bilstein, ICON Vehicle Dynamics, QA1, Ridetech, Ohlins, Fabtech Dirt Logic, Silver's NEOMAX, and H&R. These brands are engineered for performance handling, durability, and precision suspension tuning across a wide range of vehicles. Performance Coilover Kits & Adjustable Suspension Our collection includes adjustable coilover kits with ride height and damping adjustment, front and rear coilover systems, coilover conversion kits, performance shocks and dampers, lift coilovers for trucks and SUVs, and lowering coilovers for street and track cars. Whether you're dialing in a track build, lowering yo...

Browse premium coilovers and suspension components including coilover kits, coilover shocks, coilover springs, lowering springs, shock hardware, suspension boots, dampening adjustment components, and performance suspension systems for trucks, SUVs, muscle cars, off-road builds, and street performance vehicles. Shop Top Coilover & Suspension Brands Find trusted suspension brands including Silver's NEOMAX, FOX, QA1, Eibach, ICON Vehicle Dynamics, Bilstein, KW Suspension, Ohlins, Ridetech, Fabtech, and ARB/OME. These brands are known for adjustable coilovers, performance shocks, lift and lowering suspension systems, coilover springs, and suspension hardware for daily driving, off-road use, drag racing, and track-focused builds. Coilovers & Components for Street, Track & Off-Road This collection includes complete coilover kits, front and rear coilovers, coilover springs, shock boots and protective covers, dampening adjustment extenders, suspension hardware kits, lowering spr...

Aftermarket suspension systems improve handling, ride quality, and ride height adjustment beyond what the factory suspension provides. From lowering springs and coilover kits for sport handling to lift kits and leveling kits for truck and SUV off-road capability, quality suspension components transform how a vehicle rides and handles. Popular Suspension Upgrades Popular suspension upgrades include coilover kits for adjustable ride height and damping, sport lowering springs for improved handling and reduced body roll, performance shock absorbers and strut assemblies, sway bar and end link upgrade kits, subframe brace kits, and complete suspension packages for lifted trucks and off-road SUVs. Alignment kits including camber bolts and camber arms are also frequently ordered after ride height changes. What is the difference between coilovers and lowering springs? Coilovers are complete shock and spring assemblies with adjustable ride height set by threading the spring perch on the shock...