Here is what Tein has to say about their product: Tein S.Tech Springs are an excellent step towards suspension tuning. They offer approximately a 9cm drop for a more aggressive appearance and increased road holding capability. Designed to be used with OEM or OEM replacement shocks, each available application is road tested in Japan for the proper balance between performance and comfort.
Specs:
-Front Spring Rate: 6.0 k
-Rear Spring Rate: 4.0k
-Front Ride Height Drop: 40mm
-Rear Ride Height Drop: 30mm
*Although these Tein lowering springs are designed specifically for the CL7 Accord Euro R, the springs can also be used on the CL9 Accord.
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