Wiseco Piston Set 99.5mm Bore - 2006-2014 Subaru WRX / 2004-2021 STI / 2004-2006 Baja / 2004-2013 Forester / 2005-2012 Legacy / 2005-2009 Outback / 2006 Saab 9-2X PDM_oil-pickup 37% increase in flow over

37% increase in flow over stock

The OE Style Drilled Rear Brake Rotors will improve the stopping performance on the Subaru STI

Super Pro Rear Differential Pinion Mount Bushings

There are no knock-off parts in this kit

The Gemini quad-tip layout is a visual choice as much as a performance one — four exhaust outlets give the rear of the VB WRX a wider

Wiseco Piston Set 99.5mm Bore - 2006-2014 Subaru WRX / 2004-2021 STI / 2004-2006 Baja / 2004-2013 Forester / 2005-2012 Legacy / 2005-2009 Outback / 2006 Saab 9-2X PDM_oil-pickup 37% increase in flow overWiseco's pistons outgun cast and Hypereutectic pistons, giving you stronger pistons and tighter tolerances than any other part in your engine, with less internal and external machining. Wiseco's advanced forging process and extensive heat treat and finishing process assure you of the performance and reliability you demand from your high performance engine. Wiseco's pistons outgun cast and Hypereutectic pistons, giving you stronger pistons and tighter