612007C-4 Manley Pistons EJ257 for 06-14 WRX / 04+ STi Samco Sport Fuel pressure increases on a

Fuel pressure increases on a 1:1 ratio with boost and features two -10AN pressure ports and one -8AN return port

and LC-1ST

throw out bearing and clutch alignment tool

Radium adapter fittings allow an OEM fuel pressure regulator (FPR) or fuel pulse damper (FPD) to be reused with an aftermarket fuel rail with 3/8" NPT female threaded port

612007C-4 Manley Pistons EJ257 for 06-14 WRX / 04+ STi Samco Sport Fuel pressure increases on aManley 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: 612007C4 Pin: Standard . 180" Wall Bore Size: 100. 25mm (+. 75) Rod Length: 5. 137" Stroke: 79mm Standard Stroke (2. 5L) Comp Distance: 1. 209" Dome Volume: 22 cc