Chase Bays Clutch Master Cylinder Adapter - Nissan S13 / S14 / S15
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This product is designed for those who need or want to use a Wilwood 3/4 aka 0.75" Bore Clutch Master Cylinder on their S chassis without cutting or drilling their firewall. Some transmission swaps require a larger bore clutch master cylinder and since there isn't a larger Nissan one you can swap in this is the best method. Additionally, this product is better aesthetically and matches our Brake Booster Eliminator if you have it.
You can get it with either its own reservoir or a clutch feed adapter hose to share fluid with the brake reservoir. For those who have or plan on getting our Brake Booster Eliminator; we have an add on for this product that further simplifies and improves aesthetics. The installed photo shows the clutch master cylinder sharing the brake reservoir for fluid. This is done stock on most BMW and Mazda chassis so we wanted to integrate this idea to the S13, S14, and S15 world. If you select the option to add the "Clutch Feed Adapter" it will include the -6AN hose and fittings to adapt the Brake Reservoir. This will attach to the Clutch Master Cylinder with Wilwood's supplied hose adapter. For further understanding, this is pictured on assembled and installed photos.
The plate is made of 0.125" (1/8 or 3.17mm) steel and has the master cylinder mounting studs pressed and welded in. The 240sx / Silvia clutch pedal has studs on it that go thru the firewall, the open holes on the plate are what attach to those studs in the engine bay. Make sure you tighten the plate to the master cylinder before installing it onto the car. The upper nut for the Wilwood Master Cylinder isn't accessible once installed based on the proximity of the firewall lip (see installed photos).
