New OEM RA Shortblock W- Forged CP Hybrid Pistons 99.5 Electronics Rated for use in applications

Rated for use in applications exceed 1000 lbs of pressure plate use (good for all known clutch combinations for the VA chassis)

Adjustable ignition retard and fuel enrich sensitivity

DIMS: 15 x 15 x 15

Sequential Staged and Sequential/Multi Point Group Staged injection modes

WPC Treatment options also available upon request

New OEM RA Shortblock W- Forged CP Hybrid Pistons 99.5 Electronics Rated for use in applicationsOutfront 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+