Perrin Performance · New
PERRIN 15-26 Subaru WRX/STI / 13-25 Crosstrek / 12-25 Impreza Differential Lockdown System
MPN PSP-SUS-536 · Store SKU perPSP-SUS-536
Supplier stock checked 11/7/2026, 6:14:55 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Add drivetrain rigidity and precision to throttle input to your 2015-2021 STI & 2015-2025 WRX with the PERRIN Differential Lockdown Kit.
Manufacturer fitment & guides
Check PSP-SUS-536 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
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