Clutch Masters Master Cylinder for 2015-2021 WRX/STi (MC15020) Select::Violet Flow through design eliminates hydraulic

Flow through design eliminates hydraulic fluctuation

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which allows for the use of a smaller wire diameter for reduced unsprung weight

(4) Stems

Color Visual Amber Density at 20°C (68°F) ASTM 1298 0

Clutch Masters Master Cylinder for 2015-2021 WRX/STi (MC15020) Select::Violet Flow through design eliminates hydraulicClutch Masters master cylinder upgrade for 2015 2021 WRX STi models. The OEM unit is usually good enough, but upgrading it will make your hydraulic system able to handle more aggressive driving. This kit also deletes the delay valve allowing you to shift quickly and let the clutch immediately engage. This is a complete plug and play kit and includes everything you need to install this system. Will work with OEM slave cylinders. The billet aluminum