ACT HD/Race Rigid 4 Pad Clutch Kit - NS1-HDR4 fits_2003-2008`Audi`S4 Replaces weak factory pipe (part

Replaces weak factory pipe (part number 8C3Z-6W650-A)

FRONT REAR SPRING RATES 12k 8k UPPER MOUNT OEM OEM

6 quarts over the stock transmission pan for more cooling capacity

Fits All Wheel Drive Models Only

ACT HD/Race Rigid 4 Pad Clutch Kit - NS1-HDR4 fits_2003-2008`Audi`S4 Replaces weak factory pipe (partNS1 HDR4 kit features ACT's most popular Heavy Duty pressure plate. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four stage, heat treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT's 4 pad rigid race discs are made with high quality, ceramic friction