Nismo clutch slave cylinder is used to reduce the pedal load when using a sports clutch.
Improve half-clutch operating characteristics and provide proper clutch connection positioning.
The size of the operating cylinder was increased from 3/4 inch (19.05mm) to 13/16 inch (20.54mm)
This also reduces pedal pressure by as much as 14% compared to stock.
R32 GTR ~'93/2 use 30620-RS580
R32 '93/2~ R33 and R34 GTR use 30620-RSR40