622105C-4 Manley Pistons EJ257 for 06-14 WRX / 04+ STi Hawk Performance GSC Power-Division Super Alloy Exhaust

GSC Power-Division Super Alloy Exhaust Valves for 4G63T are for those running high horsepower

80250-AN001 (Max IV SP)

These allow your coilover springs to smoothly rotate around the perch under compression enabling spring load to be more evenly distributed easing the pre-load and reducing the noise created under spring compression

Let the Armytrix kickstart the real automotive experience

We offer a complete line of hard to find fittings from OEM specific connections to AN adapters

622105C-4 Manley Pistons EJ257 for 06-14 WRX / 04+ STi Hawk Performance GSC Power-Division Super Alloy ExhaustManley 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: 622105C4 Pin: Standard . 180" Wall Bore Size: 100mm (+. 5) Rod Length: 5. 137" Stroke: 83mm Stroker (2. 7L) Comp Distance: 1. 130" Dome Volume: 14 cc Cylinder Head cc: