632502C-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi Energy Suspension Modifying this will invalidate the

Modifying this will invalidate the sensor’s output

except the factory 2-bolt

If you are upgrading your Huracán or R8

high-quality

Available with either a TiAL blow off valve flange or stock and includes an AIT bung

632502C-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi Energy Suspension Modifying this will invalidate theManley 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: 632502C4 Pin: Standard . 180" Wall Bore Size: 99. 75mm (+. 25) Rod Length: 5. 137" Stroke: 83mm Stroker (2. 7L) Comp Distance: 1. 130" Dome Volume: 14 cc Cylinder Head