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• Smooth cast end tank design to reduce turbulence
The matching LH side is available here: 5379A173
Extremely aggressive turbo and exhaust tone under acceleration and boost
400-600 HP
612201C-4 Manley Pistons EJ257 for 06-14 WRX / 04+ STi Zietronix • Smooth cast end tankManley 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: 612201C4 Pin: Standard . 180" Wall Bore Size: 99. 55mm (+. 05) Rod Length: 5. 137" Stroke: 79mm Standard Stroke (2. 5L) Comp Distance: 1. 209" Dome Volume: 17 cc