IAG Stage 2 Pocket Ported Cylinder Heads for 07 STI V25 Casting (Cams / Lifters Sold Separately). 2016-subaru-wrx sti-limited Internally baffled to ensure oil

Internally baffled to ensure oil pickup stays submerged

Basic Installation kit includes all fluids

Pocket porting removes excess OEM casting flash and the material underneath the valves

This item is not intended to work with the V2 AOS

The IAG Competition Series Oil Pan for the Subaru WRX and STI is uniquely designed and CNC machined to suit a wide range of street and track applications

IAG Stage 2 Pocket Ported Cylinder Heads for 07 STI V25 Casting (Cams / Lifters Sold Separately). 2016-subaru-wrx sti-limited Internally baffled to ensure oilIAG Stage 2 Pocket Port Cylinder Head Package: The head package centers around our popular CNC pocket porting program which was developed over the last several years. Pocket porting removes excess OEM casting flash and the material underneath the valves. By smoothing and blending this area under the valve seat, significant flow capability can be achieved. The IAG Stage 2 pocket ported head package starts with brand new WRX STI OEM V25 head castings,