ACT XT/Perf Street Sprung Kit - 88-8/89 Toyota Corolla GTS 4AGE RWD, 85-6/85 MR2 - TL2-XTSS 74.5mm that's because it is

that's because it is

HC4-XTSS kit features an Xtreme pressure plate for the most demanding driver

SB8-HDR6 kit features ACT's most popular Heavy Duty pressure plate

which can be varied to accommodate multiple thickness requirements

Compatibility with other models unconfirmed

ACT XT/Perf Street Sprung Kit - 88-8/89 Toyota Corolla GTS 4AGE RWD, 85-6/85 MR2 - TL2-XTSS 74.5mm that's because it isTL2 XTSS 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 Performance street discs are the most popular disc purchased. They