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PERRIN short shifter adapter kit for 2004–2021 Subaru WRX STI 6‑speed includes the adapter and shifter bushings. Intended as a direct‑fit upgrade for the factory shifter, the kit provides a shorter, more direct shift linkage where the adapter and bushings replace stock components. It’s packaged to match the 6‑speed STI mounting pattern for bolt‑on installation.
PERRIN 04-21 Subaru STI 6spd Short Shifter Adapter w/Shifter Bushings Kit
