632002C-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi STMREVAMP Spring pressure are listed below

Spring pressure are listed below by wastegate type

Part Number: 632700CA‑1 Pin: Standard

with a bolt-on outer stub to fit the factory wheel hub

Necessary Mounting Hardware

632002C-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi STMREVAMP Spring pressure are listed belowManley 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: 632002C4 Pin: Standard . 180" Wall Bore Size: 99. 75mm (+. 25) Rod Length: 5. 137" Stroke: 75mm De Stroked (2. 35L) Comp Distance: 1. 285" Dome Volume: 18 cc Cylinder