612001C-4 Manley Pistons EJ257 for 06-14 WRX / 04+ STi ZEX This creates the perception of

This creates the perception of a larger overall gauge

transfer gearbox and hypoïd differentials without limited slip system operating under shocks

What's the difference between Journal Bearing and Ball Bearing

Oversized guide sizing are for the OD

612001C-4 Manley Pistons EJ257 for 06-14 WRX / 04+ STi ZEX This creates the perception ofManley 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: 612001C4 Pin: Standard . 180" Wall Bore Size: 99. 55mm (+. 05) Rod Length: 5. 137" Stroke: 79mm Standard Stroke (2. 5L) Comp Distance: 1. 209" Dome Volume: 22 cc