[Vehicle Fitment]: Compatible with Lexus GS350/GS450h 2007-2011, GS430 2006-2007, GS460 2008-2011, IS250 2011, IS350 2006-2013---Rear Right Passenger Side. [Reference Number]: 4783022221, 4783022220, 19-B3312, 19B3312. [Specification]: Brake Piston Count: 1 Pistons; Piston Size(OD): 1.73 inches; Inlet Port Size: M10 x 1.0; Bleeder Port Size: M7x 1.0; The Brake Calipers are coated with antirust coating, which can effectively prolong the service life.
