622005C-4 Manley Pistons EJ257 for 06-14 WRX / 04+ STi Prosport synchronized or non synchronized gearbox

synchronized or non synchronized gearbox

We noted that higher boost levels created inaccurate boost control with the R35 GT-R and we needed a bullet proof solution

You will need to purchase the optional 30-0306-ACC accessory kit to get the silver bezel and reversible white standard/metric boost pressure faceplate

• EFI Fuel Hose

• High flow K&N air filter

622005C-4 Manley Pistons EJ257 for 06-14 WRX / 04+ STi Prosport synchronized or non synchronized gearboxManley 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: 622005C4 Pin: Standard . 180" Wall Bore Size: 100mm (+. 5) Rod Length: 5. 137" Stroke: 83mm Stroker (2. 7L) Comp Distance: 1. 130" Dome Volume: 26 cc Cylinder Head cc: