ACT XT/Race Rigid 4 Pad Kit - 6/87-89 Mitsubishi Starion 2.6 - MS1-XTR4 Universal Filters The spherical joint in the

The spherical joint in the rocker has been heavily upgraded over the OEM design to allow for wear-compensation

we used modern hall effect technology to provide improved reliability and accuracy

*Note: Upgrade Kit

two-piece wedge collar and wire ring featured in pull-type clutches

In contrast

ACT XT/Race Rigid 4 Pad Kit - 6/87-89 Mitsubishi Starion 2.6 - MS1-XTR4 Universal Filters The spherical joint in theMS1 XTR4 kit features an Xtreme pressure plate for the most demanding driver. ACT Xtreme 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