612100C-4 Manley Pistons EJ257 for 06-14 WRX / 04+ STi Unitronic • Fits FIC IS175 series

• Fits FIC IS175 series injectors

• Fits the Wilwood Dynalite Calipers (120-6816 / 120-13844)

Enthusiast tested and approved

This design yields optimal temperatures even in the most demanding environments

• You need two Bosch 044 Fuel Pumps

612100C-4 Manley Pistons EJ257 for 06-14 WRX / 04+ STi Unitronic • Fits FIC IS175 seriesManley 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: 612100C4 Pin: Standard . 180" Wall Bore Size: 99. 5mm (Standard Bore) Rod Length: 5. 137" Stroke: 79mm Standard Stroke (2. 5L) Comp Distance: 1. 209" Dome Volume: 10