612002C-4 Manley Pistons EJ257 for 06-14 WRX / 04+ STi ETS The BC Racing ER Series

The BC Racing ER Series coilover system for Evo 7/8/9 features large external reservoirs front and rear

drag and road race applications

(Mitsubishi Eclipse GST & GSX

The matching gasket is also available below

The smooth inner walls of the COBB Turbo Inlet taper gradually at both ends and reduce the air turbulence that occurs in the factory accordion style inlet

612002C-4 Manley Pistons EJ257 for 06-14 WRX / 04+ STi ETS The BC Racing ER 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: 612002C4 Pin: Standard . 180" Wall Bore Size: 99. 75mm (+. 25) Rod Length: 5. 137" Stroke: 79mm Standard Stroke (2. 5L) Comp Distance: 1. 209" Dome Volume: 22 cc