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The mkiv Supra Owners Club

3/4" Clutch master cylinder upgrade


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Has anyone upgraded their clutch master cylinder to a 3/4" bore using the land cruiser clutch master cylinder?

The part number I have noted for the above is 31410-60372 (attached a pic below)

I have the slightest clutch drag so I'm not disengaging properly with a Spec 2+ clutch. When warm it gets quite difficult to engage reverse. No crunching at all just difficult to engage. I have replaced both the master and slave with brand new OEM with a braided line and bench bled etc. and I'm still having issues. I have also replaced gear selector bushes with solid bushings and transmission mount with OEM TRD.

Want to give this a try before going down the OS Giken twin plate clutch replacement route!

ABS_Master.jpg

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