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The Cusco LSD Type RS is a rear limited-slip differential unit with a 1‑way, 55-degree cam for high initial engagement, aimed at gymkhana and high-initial-spec applications. It’s specified for Subaru GDB/GRB STI models from 2001–2013 and provides tighter initial lock characteristics for improved traction response. The Type RS focuses on firm, rear-biased locking for spirited driving scenarios.
Cusco LSD Type RS 1-Way 55 Degree Cam Only REAR Gymkhana/High Initial Spec 01-13 Subaru GDB/GRB STi
