621005C-4 Manley Pistons EJ257 for 06-14 WRX / 04+ STi VENDOR10 Record Breaking Results:

Record Breaking Results:

Torque Solution driveshaft center support bushings will replace the OEM rubber mounts with new billet aluminum pieces to help reduce wheel hop

it also replaces both hard lines as well

Set of 4 1000cc Saturated / High Impedance Ball & Seat Injectors for 2004-2006 STi and 2005-2006 Legacy GT with original tumblers and FIC top feed fuel rail conversion

Includes both upper and lower airbox hoses

621005C-4 Manley Pistons EJ257 for 06-14 WRX / 04+ STi VENDOR10 Record Breaking Results:Manley Pistons for the EJ257 motor in the 2006 2014 WRX and 2004+ STi models includes a full set of 4 pistons, wrist pins, ring sets and round wire locks. See more Manley Pistons for the EJ257 WRX & STi Vehicle Fitment: Subaru EJ257 2006 2014 WRX 2004 2021 STi Piston Specs: Part Number: 621005C4 Pin: Standard . 180" Wall Bore Size: 100mm (+. 5) Rod Length: 5. 137" Stroke: 75mm De Stroked (2. 35L) Comp Distance: 1. 285" Dome Volume: 18 cc Cylinder Head