Outfront Motorsports 775 Competition Complete Cylinder Head Package D25 Heads Engine EZ30R cases are designated by

EZ30R cases are designated by the Z30 casting found on the top of the case halves

Outfront Motorsports billet fuel rail kit fits the WRX/STI Top Feed intake manifolds with no additional adapters

5 m long 'A' loom to suit G4

ACT Difference: 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability

This means that it is suitable for turbo or supercharged applications running up to 1

Outfront Motorsports 775 Competition Complete Cylinder Head Package D25 Heads Engine EZ30R cases are designated byThe Outfront Motorsports 775 Pocket Ported Cylinder Heads are the perfect performance head upgrade for the weekend racer. These heads are a great option for the weekend racer with engines up to 775 BHP. The Outfront 775 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 processes throughout the build machining processes. All oil plugs are