YSR Pro Sport Digressive Series Coilovers - Acura TL 1999-2003 (UA4/UA5) fits_2016-`Chevrolet`Spark With the valves closed the

With the valves closed the system maintains a smooth and composed tone suitable for long drives and daily commuting

Sound With Stock Downpipes:

this system provides extra oil capacity to dissipate heat more efficiently

2-way or 3-way when ordering (See Below) 3-way kit Includes Front Dry-Break Connections

YSR Pro Sport Digressive Series Coilovers - Acura TL 1999-2003 (UA4/UA5) fits_2016-`Chevrolet`Spark With the valves closed theFRONT REAR SPRING RATES 12k 6k UPPER MOUNT Aluminum w Hardened Rubber Bushings Aluminum w Hardened Rubber Bushings The Pro Sport Digressive Series Coilovers from YSR USA are designed to provide motoring enthusiasts with exceptional handling characteristics while maintaining a balanced ride comfort. Digressive valved coilover systems are designed to provide a stiffer damping force at low shaft speeds while allowing for more fluid movement at higher