Outfront Motorsports 775 Competition Complete Cylinder Head Package D25 Heads Internals The shortest possible length primaries

The shortest possible length primaries you can have on an Equal Length header

and will not collapse like a silicone inlet can

Large Secondary

New OEM Subaru FA20 Crankshaft

5743 Single Spring

Outfront Motorsports 775 Competition Complete Cylinder Head Package D25 Heads Internals The shortest possible length primariesThe 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