Manley 99.5mm STD Bore, 9.8 Comp. Pistons Subaru WRX 2006-2014 / STI 2004-2021 Vehicle Model_Lancer Ralliart CP’s advanced forging and machining

CP’s advanced forging and machining processes result in a lightweight yet incredibly strong piston design

steel-backed Carbon-Kevlar disc

The air filters are located in the original air box spaces and are protected by heat shields which are designed to reduce intake air temperature and increase horsepower

not only to US DOT standards

and 3in rear-mid pipe with muffler

Manley 99.5mm STD Bore, 9.8 Comp. Pistons Subaru WRX 2006-2014 / STI 2004-2021 Vehicle Model_Lancer Ralliart CP’s advanced forging and machiningPart #: 612100C 4 Manley forged and dished pistons for the EJ257 are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Round wire locks, tool steel wrist pins and piston rings are included with every set at no additional charge. A proprietary multi step top ring groove machining process assures optimum control of the groove's size, geometry, flatness and finish. Precise pinhole