CP-Carrillo Piston Ring Set Subaru WRX/STI CP7420 Piston Set Lime An increased average of 18

An increased average of 18 rear wheel horsepower & 20-foot pounds of torque in conjunction with our cat back exhaust system

Multiple modes - example boost by gear

1x Straight -6 fitting (all AN fittings are black) and 2ft -6 HP fuel hose

Please click on the link to learn more about the coil bracket you need for your engine

Please also remove the plastic adjustment tool (if fitted) before running the engine

CP-Carrillo Piston Ring Set Subaru WRX/STI CP7420 Piston Set Lime An increased average of 18DETAILS: 99. 5mm bore Race proven and are developed to meet the same high performance criteria and exacting tolerances that are required for pistons and connecting rods Designed using the latest in quality materials and innovative technology 2006 2014 WRX 2004+ STI NOTE: SOLD AS AN INDIVIDUAL SET PER PISTON YOU WOULD HAVE TO ORDER A QUALITY OF 4 FOR A COMPLETE SET