612000CA-1 Manley Piston EJ257 for 06-14 WRX / 04+ STi TIAL -Retains stock active grille shutters

-Retains stock active grille shutters

one is that they are often designed to blow open above a certain pressure to protect the engine and the other is they are not optimized for throttle response

Ordinary fuel line hose is designed to handle fuel on the inside only

This black plastic cover goes in the RH side of the engine bay to the wheel well

they are available separately with new hardware and you can reuse the Girodisc hats

612000CA-1 Manley Piston EJ257 for 06-14 WRX / 04+ STi TIAL -Retains stock active grille shuttersThis Manley Piston for the EJ257 motor in the 2006 2014 WRX and 2004+ STi models is sold individually. Price includes one piston, one pin, one ring set and round wire locks. Please confirm if you need Grade A or B pistons. See more Manley Pistons for the EJ257 WRX & STi. Vehicle Fitment: Subaru EJ257 2006 2014 WRX 2004 2021 STi Piston Specs: Part Number: 612000CA1 Pin: Standard . 180" Wall Bore Size: 99. 5mm (Grade A) Rod Length: 5. 137" Stroke: 79mm