Manley 99.75mm (+.25mm) Overbore Pistons Subaru WRX 2006-2014 / STI 2004-2021 WRX_2002-2007 Part #: FOM-FMUNOS

Part #: FOM-FMUNOS

in most cases

(0-2200° F includes K-type Sender

Part Number: SU253

The Perrin Front Mount Intercooler (FMIC) kits for the 02-07 WRX & 04-07 STI are massive upgrades

Manley 99.75mm (+.25mm) Overbore Pistons Subaru WRX 2006-2014 / STI 2004-2021 WRX_2002-2007 Part #: FOM-FMUNOSPart #: 612002C 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