The S14 is a well optimized engine from the factory and was a revelation of performance in it's day.
One of the most simplistic ways to improve power output of the S14 is to replace the relatively mild cams and weak valve springs with performance equipment.

Our VAC Stage 2 Performance kit does just that and adds the software and matched valve springs so you can safely and easily increase performance, on the street or on the track.

Stage 2 includes:

• Schrick camshafts (284in/276ex) A favorite all around cam setup.
• Matched VAC Motorsports Dual Valve Springs
• VAC Software for factory Bosch Motronic ECU (2.3L)
  
  
  *Note: our VAC Software is tuned for 93AKI(US) and 98RON (Euro) octane Gasoline. We always suggest dyno tuning as well for best performance.

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