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The Sparco seat base is a vehicle-specific mounting plate for the right side of Lexus IS250 and IS350 models from 2006 onward (matching manufacturer variant). It provides a side-specific foundation for a replacement or aftermarket seat and the source-backed fitment details make it straightforward to choose the right-side base when ordering for these Lexus models.
Sparco Base Lexus Is250/350 06+ Rt Ma
