Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
Cusco Type RS 1.5-way limited slip differential (B-size) for Lexus IS250/350 (2009–2019) and GS350/450h (2010–2019) applications. This limited-slip unit provides controlled torque transfer between driven wheels to aid traction under load. The Type RS 1.5-way configuration offers a specific locking behavior suited to spirited driving and track-influenced street use on the supported Lexus models.
Cusco LSD RS 1.5-Way(B-Size) Lexus 09-19 IS250/350 / 10-19 GS350/450h
