632100C-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi Quarter Master resulting in a direct-fit replacement

resulting in a direct-fit replacement that is easy to install

gloss black or wrinkle black

It is not recommended that you drive the car in a way that builds boost without doing so

but this is new technology to the Subaru world

IS902-1200H

632100C-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi Quarter Master resulting in a direct-fit replacementManley 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: 632100C4 Pin: Standard . 180" Wall Bore Size: 99. 5mm (Standard Bore) Rod Length: 5. 137" Stroke: 75mm De Stroked (2. 35L) Comp Distance: 1. 285" Dome Volume: 6 cc