Eibach ERS 22.00 in. Length x 3.75 in. ID Coil-Over Spring (2200.375.XXXXS) Spring Rate:300 lbs/in Designed with a free-flowing internal

Designed with a free-flowing internal structure to reduce backpressure

Supports fine-tuning of ride height and handling

Direct fit for the BMW F8X M3

4inch to -0

The 5100 Series shock absorbers for the 2005-2012 Porsche Cayman 3

Eibach ERS 22.00 in. Length x 3.75 in. ID Coil-Over Spring (2200.375.XXXXS) Spring Rate:300 lbs/in Designed with a free-flowing internalCoilover Spring Silver by Eibach A properly tuned spring system provides the muscle needed to transform the power derived from the engine of a racing car to the track through optimum adhesion. Suspension tuning is a precise balance. On one hand, the spring system should be soft enough to compensate for road irregularities assuring permanent road contact, while on the on the other hand the spring system must be firm enough to reduce the body roll,