The hydraulic clutch master cylinder used on the 02‐06 Acura RSX, 02-05 Honda Civic Si and 04-08 Acura TSX have a feedback plate that is known to fail after installing a performance clutch with a higher release load than the factory pressure plate. ACT engineers have researched this problem and recommend replacement of the original equipment master cylinder with one from a 2001 Honda Civic (Honda part number 46920-S5A-G05). This earlier master cylinder design is a direct replacement, does not have the feedback plate feature and installs without any other modifications. The factory feedback plate is intended to increase driver comfort by softening clutch feel, yet it does not decrease maximum pedal effort. There are no performance drawbacks to running without it.
If you have any questions please feel free to contact our technical service department using the information provided below.
Advanced Clutch Technology, Inc.
206 East Ave K‐4
Lancaster, CA 93535