Cusco RS‑Type limited‑slip differential for the Lexus IS‑F is a 1‑way front LSD intended to improve front‑end traction behavior under driven conditions. The source identifies this as a Cusco RS‑Type LSD for the IS‑F platform; technical specifications and tuning details are not provided in the available fields, so the overview focuses on function and application.
Cusco Lexus IS-F LSD RS-Type Front 1-Way