ACT HD/Race Rigid 4 Pad Kit - 02-05 Lexus IS300 - TS5-HDR4 Subaru WRX 2002-2007 the heavy duty torsional dampening

the heavy duty torsional dampening springs are stronger

HA3-XTR6 kit features an Xtreme pressure plate for the most demanding driver

ZM4-HDG6 kit features ACT's most popular Heavy Duty pressure plate

TS6-SPSS kit features a Sport pressure plate for a nice upgrade

ACT HD/Race Rigid 4 Pad Kit - 02-05 Lexus IS300 - TS5-HDR4 Subaru WRX 2002-2007 the heavy duty torsional dampeningTS5 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. ACTs 4 pad rigid race discs are made with high quality, ceramic friction