New OEM RA Shortblock W- Forged CP Hybrid Pistons 99.5 w- Race Bearings 99.5 Bare Case Halves 2-Stroke Engines

2-Stroke Engines

custom large diameter hardened washers to prevent embedding into head under heavy torque values and HP levels

This greatly simplifies the overall design

Speed based cruise control (EThrottle only)

New OEM RA Shortblock W- Forged CP Hybrid Pistons 99.5 w- Race Bearings 99.5 Bare Case Halves 2-Stroke EnginesOutfront 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 Nitrited 2017+