New OEM RA Shortblock W- Forged CP Hybrid Pistons 99.5 Forced Induction CDI specific windings

CDI specific windings

22433AA640

What is Dual Slope Matching

to reduce the flow potential of the crankcase and head vents

New OEM RA Shortblock W- Forged CP Hybrid Pistons 99.5 Forced Induction CDI specific windingsOutfront 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 S20 cylinder heads found on the 02 05 WRX and other EJ20 applications without cylinder head combustion chamber modification. This configuration includes: Custom Outfront Motorsports spec Hybrid CP piston set (25. 5cc) for EJ20 Heads New OEM STI black Nitrite 2017+