I can vouch for the Centerforce Dual Friction clutch and hydraulic throwout actuator, as well. I have both in my car in addition to a Wilwood master, roughly the same diameter as stock. The hydraulic throwout should remove friction and improves efficiency over the rolling/sliding contact and geometry of the stock throwout lever. Perhaps additional ease can be gained by decreasing the master diameter, although with increased pedal travel.
The hydraulic throwout has the drawback that servicing it means pulling the transaxle, which I had to do just a couple weeks ago to replace the seals (due to my own mistake in adjustment).
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