612007C-4 Manley Pistons EJ257 for 06-14 WRX / 04+ STi FiD Turbo and are tested to work

and are tested to work with ethanol fuels up to E100

3000GT & Stealth Twin Turbo Inlet Only)

actual kits may vary

This is the same kit we developed and use on our world record holding

56mm Exducer Turbine Wheel

612007C-4 Manley Pistons EJ257 for 06-14 WRX / 04+ STi FiD Turbo and are tested to workManley 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: 612007C4 Pin: Standard . 180" Wall Bore Size: 100. 25mm (+. 75) Rod Length: 5. 137" Stroke: 79mm Standard Stroke (2. 5L) Comp Distance: 1. 209" Dome Volume: 22 cc