ACT HD/Perf Street Sprung Kit - 01-06 BMW M3 E46 - BM9-HDSS Electronics AR1-XTR4 kit features an Xtreme

AR1-XTR4 kit features an Xtreme pressure plate for the most demanding driver

NOTE: Part number is the same as H2621051S

This reversed flow more ideally aligns the radiator thermal gradient with the thermal gradient of the air passing through the radiator which helps the radiator to dissipate heat more effectively

Pressure Plate: H026

1988-1991 Honda Civic LX 1

ACT HD/Perf Street Sprung Kit - 01-06 BMW M3 E46 - BM9-HDSS Electronics AR1-XTR4 kit features an XtremeBM9 HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc. 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. ACTs Performance Street discs feature premium