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 Maintains proper air/fuel ratios

Maintains proper air/fuel ratios

Caution: Non-Corrosive 100% Recyclable Use 1oz

37% increase in flow over stock

1" hat offset

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 Maintains proper air/fuel ratiosWiseco'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