632305C-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi Fluidampr so this particular dyno reads

so this particular dyno reads very low

your Focus ST will come alive with charge air that's up to 100 DEGREES COOLER

Genuine OEM Subaru factory replacement crankshaft rear main seal for the 2006+ EJ25 WRX and all STi models

making shifting precision more critical

Inlet Configuration: 0 degree outlet fitting to inlet orientation

632305C-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi Fluidampr so this particular dyno readsManley 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: 632305C4 Pin: Standard . 180" Wall Bore Size: 100mm (+. 5) Rod Length: 5. 137" Stroke: 79mm Standard Stroke (2. 5L) Comp Distance: 1. 209" Dome Volume: 10 cc Cylinder