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Originally included on IAG AOS part numbers: Replaces the coolant line included with the V2 Air Oil Separator
it's the perfect choice for an street/track applications with moderate bolt-ons
Due to the higher durometer used in the street series bushings
uses the same OE quality components and is calibrated to restore original
Our Race Series solid mounts start with solid metal bushings but allow you to change to softer 90A or 75A or bushings
IAG Stage 5 CNC Ported Heads w/ +1mm Ferrea Valves & GSC S3 Cams for 02-05 WRX S20 Casting. 2013-subaru-forester-x premium Originally included on IAG AOSIAG's Stage 5 Cylinder Head Package utilizes a CNC porting program for the S20 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 S20 OEM WRX 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
