CP Piston Ring 99.5mm Bore 2006-2014 WRX / 2004-2021 STI / 2005-2009 LGT / 2004-2010 FXT missinginternalsku The stiffer the bar

The stiffer the bar

GrimmSpeed’s adapter features CNC laser-cut steel construction and hand welding for strength and longevity

This electrocoating (E-coating) finish

and this system is not compatible with Subaru WRX STI models without modification

it’s advisable to replace your brake pads simultaneously and follow proper bedding procedures to maximize rotor lifespan and braking response

CP Piston Ring 99.5mm Bore 2006-2014 WRX / 2004-2021 STI / 2005-2009 LGT / 2004-2010 FXT missinginternalsku The stiffer the barUpgrade 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,