632305CE-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi Quarter Master For 800+ HP

For 800+ HP

If for whichever reason the original is no longer useable

-Designed to work with stock tune with no additional tuning required

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This includes just the Radium Evo X Fuel Rail and install bolts if you're looking for a custom install

632305CE-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi Quarter Master For 800+ HPManley 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: 632305CE4 Pin: Extreme . 250" Wall Bore Size: 100mm (+. 5) Rod Length: 5. 137" Stroke: 79mm Standard Stroke (2. 5L) Comp Distance: 1. 209" Dome Volume: 10 cc Cylinder