
The Sparco seat base is a vehicle-specific mounting plate for the left side of Lexus IS250 and IS350 models from 2006 onward (matching metric or manufacturer variant). It offers a defined mounting surface for a replacement or aftermarket seat and the description's side and model detail helps shoppers identify the proper left-side base for these Lexus vehicles.
Sparco Base Lexus Is250/350 06+ Lft M