The OEM 350z HR master cylinder is known to fail over time, causing poor clutch release, the pedal to drop half way to the floor or drop to the floor completely.
This will fix the pedal drop issue the 350z is known for when upgrading to a aftermarket clutch and also make the system much easier to bleed due to its higher quality design.
It is possible that you will need to cut about 1" off the stock reservoir fluid hose when fitting this.
Professional installation recommended, clutch pedal/master cylinder rod adjustment is required after installation.
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