Eibach ERS 3.75 in. ID Helper Spring (HELPER375) YMM_1985_2005_Pontiac_Grand_Am_N_body The KW Suspension Street Comfort

The KW Suspension Street Comfort Coilover Kit is designed to enhance your BMW 4 Series Gran Coupe's driving experience by offering a perfect balance between comfort and sporty handling

Powder-coated for corrosion resistance

Lowering your BMW M5 with these springs results in a more planted feel during spirited driving

Suitable for multiple BMW fitments

2006 Porsche 911 (996t/996/997)

Eibach ERS 3.75 in. ID Helper Spring (HELPER375) YMM_1985_2005_Pontiac_Grand_Am_N_body The KW Suspension Street ComfortHelper Spring 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, squat, and