You are buying (1) Front Rear Brake Caliper Piston Seal kit Enough components to service ALL fou rBrake Calipers to fit Make Model Type Year From Year To Subaru Impreza WRX 2000 2007 Subaru Impreza WRX STi 2002 2007 See Compatibility List for Full Details All models with original SUMITOMO 4 x40mm diameter piston FRONT calipers SUMITOMO twin 38mm diameter piston REAR calipers.
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