R32 Skyline USDM Clutch Master Cylinder Replacement - For RB25 swap front facing intake
RB Motoring
R32 Skyline USDM Clutch Master Cylinder Replacement - For RB25 swap front facing intake
The R32 Skyline does not have a direct USDM replacement brake master cylinder. There are some options that fit off the shelf if you get a new line (or bend your old one) - which we will explore here. The other problem this solves is in a swap situation, especially the RB25DET and LS1, the longer stock master cylinder creates fitment problems. In the case of a front facing intake, with an RB25DET swap, the OEM R32 Skyline master cylinder won’t fit. However, the master cylinder shown below will allow it to fit.
Parts needed:
If asked - the GKTech line you want is the damper delete version. The line is longer than needed, but you can loop it behind the fuel lines and around the steering column to make it fit more reasonably.
Size wise, the OEM master cylinder is 117mm long. The Pathfinder unit is less than half that. The bore is the exact same, so the pedal pressure should be identical to engage the clutch.
The parts above give you a master cylinder clearance that looks like this:
