CP Piston Ring 99.5mm Bore 2006-2014 WRX / 2004-2021 STI / 2005-2009 LGT / 2004-2010 FXT missinginternalsku Fully serviceable oiled air filter

Fully serviceable oiled air filter with 16% more surface area than stock

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CP Piston Ring 99.5mm Bore 2006-2014 WRX / 2004-2021 STI / 2005-2009 LGT / 2004-2010 FXT missinginternalsku Fully serviceable oiled air filterUpgrade your Subaru engine with the CP Piston Ring designed specifically for 99. 5mm bore pistons. This high quality replacement ring ensures optimal sealing and performance for your Subaru WRX, WRX STI, Legacy GT, and Forester XT models. Whether youre maintaining your daily driver or building a performance engine, this piston ring delivers reliable durability and precision fitment. This replacement ring fits 2006 2014 WRX, 2004 2021 Subaru WRX STI,