PERFORMANCE / EST. 2026
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Install

BRZ/GR86: set up a PERRIN master-cylinder brace

Part-specific instructions, fitment limits and final checks.

GUIDE OVERVIEW

Difficulty
Basic · 2/5
Time
1 min read; job time varies
Vehicle / platform
Left-hand-drive BRZ/FR-S/86/GR86 using PSP-BRK-406
Tools
  • Needle-nose pliers
  • 10mm socket
  • 19mm wrench
  • Hex tools
  • Torque wrench
Parts / supplies
  • PSP-BRK-406 complete kit
STEP 01

Install the support

Release the plastic fuel-line holder and remove its metal bracket. Uncover the M6 mounting hole. Fit the brace with one supplied M6 bolt; the other bolt and washer also retain the fuel-line bracket. Align the bracket’s locating tab with its corresponding hole.

Sources 1

STEP 02

Apply the specified preload

Torque both M6 mounting bolts to 12–14 ft-lb and snap the fuel-line holder back in. Advance the set screw until it contacts the master cylinder, then another half to one turn. Secure the jam nut with the 19mm wrench.

Sources 1

Products in this guide

Sources / references 2
  1. PERRIN official installation instructions ↗Reviewed Oct 8, 2026
  2. PERRIN official instructions database ↗Reviewed Oct 8, 2026

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