New OEM RA Shortblock W- Forged CP EJ255 Pistons 99.5 w- Race Bearings 99.5 Legacy 2020-2025 When combined with world class

When combined with world class material and design

5L MANUAL XT Sports 2007

2008 Subaru Impreza WRX STI 2

These are heat treated to a hardness of 26-32 HRC and then cyro treated for improved physical properties

New OEM RA Shortblock W- Forged CP EJ255 Pistons 99.5 w- Race Bearings 99.5 Legacy 2020-2025 When combined with world classOutfront Motorsports Stage 1 RA shortblock is for that added Protection against ring land failure on a lightly modified car. These custom pistons are made specifically for use with the D25 cylinder heads found on the 06 14 WRX and other EJ255 applications. This configuration includes: Custom Outfront Motorsports spec EJ255 CP piston set (24cc) for D25 Heads New OEM STI black Nitrited 2017+ crankshaft New OEM STI connecting rods King Performance Rod