RedShift Street Custom Coilovers 2017- Audi A4/S4 (48.5mm Front Strut) (B9) [RS-28-STREET_CUSTOM]

RedShift Street Custom Coilovers — the S1 kit, built to your spring rates and shock lengths.

The Street Custom takes our Street S1 hardware for the 2017- Audi A4/S4 (48.5mm Front Strut) (B9) and configures it to order: choose any spring rate, front and rear, and the shock length that suits your ride height and travel. Includes all springs, mounts, height adjusters and adjustment tools — nothing additional to purchase.

Options (select above): spring rates and shock lengths are included in the price. Add Sport 1W Valving for RedShift-revised street damping. For race and competition valving, see the RedShift Comp 1W.

Specifications

• Dampers: monotube, 32-way damping adjustable — front 53-280-120-20-M12 / rear 53-260-150-12-M12 (dia-body-travel-shaft-thread, mm)
• Standard spring rates: 447 lb/in(F) / 559 lb/in(R)
• Spring lengths: 8.66"(F) / 7.87"(R)
• Top mounts: With standard top mounts (F) / OEM top mounts required (R)
• Body length / travel: 11.03"(F) / 10.24"(R) / 4.7"(F) / 5.9"(R)
• Ride height: full-length threaded body, independent height and preload adjustment

RedShift recommended spring rates (kg/mm, front/rear)

Comfort: 6f/6r · Sport: 8f/8r · Performance: 10f/10r · Track: 12f/12r · Race: 14f/14r

Not sure which to pick? Tell us how you drive the car and we’ll recommend rates — no charge.

Swift springs: special order only for now — contact us.

Warranty: All RedShift coilovers are for off-road use only and may never be installed on vehicles that will be driven on public roads or highways. RedShift coilovers are covered by our 2-year warranty on ALL parts of the kit — springs, spherical bearings, mounts, dampers, everything. The warranty is available to the original purchaser only.