Outfront Motorsports 575 Entry Level Cylinder Head Package S20 Heads Turbo Inlets With each model change from

With each model change from Subaru engineers

GSC Power-Division billet N1 camshafts for the EZ36 Engine with Exhaust AVCS deleted (Billet Adjustable Gears now available)

Assembled with 2mm Longer rods for a better rod to stroke ratio

8 Digital Inputs (All capable of reading frequencies up to 10kHz)

Outfront Motorsports 575 Entry Level Cylinder Head Package S20 Heads Turbo Inlets With each model change fromThe Outfront Motorsports 575 Cylinder Heads are the perfect entry level replacement heads if you had a failure requiring you to completely replace heads or if you just want brand new heads outright. These heads are a great option for your basic bolt on engines up to 575 BHP. The Outfront 575 Heads start with new OEM Genuine Subaru head castings. A multi angle valve job is performed as well as a fresh resurface. The heads go through multiple cleaning