632105C-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi Hawk In some cases drilling out

In some cases drilling out the OEM jet pump can relieve the pressure

An application-specific air splitter is included with the top-mount intercooler to help divert the maximum amount of air into your Mishimoto top-mount intercooler

• Fits FP Cast Manifold

non ACD and the RS model with LSD and unfortunately

AMS Alpha Performance R35 GTR Race X Solid Engine Mount System allows engine torque to be instantly transferred to the pavement without having the stock rubber mount robbing power and slowing down engine response times

632105C-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi Hawk In some cases drilling outManley 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: 632105C4 Pin: Standard . 180" Wall Bore Size: 100mm (+. 5) Rod Length: 5. 137" Stroke: 75mm De Stroked (2. 35L) Comp Distance: 1. 285" Dome Volume: 6 cc Cylinder Head