632500C-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi Ohlins If you'd like a custom

If you'd like a custom spring rate

and detailed instructions for installation

Regulator with Install Hardware as pictured

• 4 Ply Silicone Coupler

632500C-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi Ohlins If you'd like a customManley 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: 632500C4 Pin: Standard . 180" Wall Bore Size: 99. 5mm (Standard Bore) Rod Length: 5. 137" Stroke: 83mm Stroker (2. 7L) Comp Distance: 1. 130" Dome Volume: 14 cc