I just found a company in New York that can rebuild the clutch master cylinder. It is called Apple Hydraulics and their phone number is 631-369-9515. It is a bit expensive, but they will bore and sleeve the cylinder to 3/4 inch. My clutch master cylinder just failed and the OEM replacement that I bought from one of the Pantera vendors wouldn't fit in my car. The master cylinder bellows boot was too thick to go through the pedal box. I have two worn out clutch master cylinders and I might send them both units.
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