Eibach ERS 22.00 in. Length x 3.75 in. ID Coil-Over Spring (2200.375.XXXXS) Spring Rate:300 lbs/in The App is compatible with

The App is compatible with smartphones and tablets from Apple (iOS) and many Android devices

K&N Million Mile Limited Warranty

4inch to -0

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Eibach ERS 22.00 in. Length x 3.75 in. ID Coil-Over Spring (2200.375.XXXXS) Spring Rate:300 lbs/in The App is compatible withCoilover 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,