IAG Stage 5 CNC Ported Heads w/ +1mm Ferrea Valves for 06-14 WRX 06-13 FXT 07-09 LGT D25 Casting (Cams / Lifters Sold Separately). 2019-subaru-wrx sti-s209 Allows rotation of the OEM

Allows rotation of the OEM or aftermarket intake manifold

Beehive Springs and GSC Billet Stage 3 camshafts

IAG V3 Street Series AOS (Neon Yellow) The IAG Performance V3 Street Series Air / Oil separator (AOS) is an excellent investment to keep your Subaru vehicle running well

GTIN: 00887753779427

The job of the windage tray is to help direct oil from the upper crankcase down into the lower crankcase and oil pan area

IAG Stage 5 CNC Ported Heads w/ +1mm Ferrea Valves for 06-14 WRX 06-13 FXT 07-09 LGT D25 Casting (Cams / Lifters Sold Separately). 2019-subaru-wrx sti-s209 Allows rotation of the OEMIAG's Stage 5 Cylinder Head Package utilizes a CNC porting program for the D25 heads that was developed over the past five years and tested on the most successful high horsepower Subarus. The ported head package starts with brand new 2006 14 WRX D25 OEM head castings directly from Subaru of America. The bare castings are visually inspected then fixtured into our in house Centroid 5 axis CNC Machine, one of the most advanced precision engine machining