Bilstein B12 (Pro-Kit)-Suspension Kit (46-188564) 1403 Input Shaft Diameter(in): 7/8

Input Shaft Diameter(in): 7/8

2D mapped controller adjusts injection based on boost pressure and EGT for precise cooling

This design allows for a reduction in drag

It includes a black shift knob and offers a very easy direct fit-installation

The Street Series II Plus system features a threaded twin-tube body for ultimate adjustability to tailor your stiffness at each corner and provides more precise suspension tuning while maintaining suitable ride comfort and quality

Bilstein B12 (Pro-Kit)-Suspension Kit (46-188564) 1403 Input Shaft Diameter(in): 7/8Bilstein B12 (Pro Kit) suspension kits are a complete set of B8 Performance Plus dampers paired with Eibach (Pro Kit) springs that provide moderate lowering between 24 40mm (depending on application). These kits offer dampers and springs that are tuned for each specific application to provide the best fixed height lowering solution. Bilstein B12 (Pro Kit) suspension kits provide the perfect combination of suspension dynamics, quality and aesthetics.