Manley 221 fits Subaru 80-16 WRX/STI 16pc Valve Springs (1.050/.755) (for use with 23180-16 Retainers). Manley Subaru WRX/STI 16pc Valve Springs (1.050/.755) (for use with 23180-16 Retainers). 2004-2012 Subaru Impreza WRX STI.
Manley 26185 fits Subaru WRX/STi .490in Valve Spring and Retainer Kit
Manley 632700CB-1 15+ fits Subaru WRX (FA20F) 86mm STD (Grade B) Bore 10:1
Manley Performance 60lbs Valve Springs Fits Subaru WRX EJ205 EJ255 STi EJ257
Manley 15024-1 fits Subaru WRX EJ205/STi EJ257 130.5mm H Beam Connecting Rod SI
Manley 11138-8 fits Subaru 00-03 WRX (EJ20) / 04 STi Intake 36mm Stainless Race
Manley 612001C-4 04+ fits Subaru WRX STi (EJ257) STD Stroke 99.55mm +.05mm Bore
