IAG Stage 5 CNC Ported Heads w/ +1mm Ferrea Valves & GSC S3 Cams for 08-17 STI W25 Casting. 2017-subaru-wrx sti-sport-tech The engine mounts feature cold

The engine mounts feature cold rolled gold zinc plated steel brackets with gold zinc plated pins

5 Closed Deck Short Block that utilizes a brand new EJ25 Subaru case that is converted to closed deck and is bored and honed to 99

210" 9310 Steel Wrist Pins are added to finish the Stage 2

which cuts the aluminum to a smooth

Used to add an intake air temperature sensor to your intercooler piping for speed density tuning

IAG Stage 5 CNC Ported Heads w/ +1mm Ferrea Valves & GSC S3 Cams for 08-17 STI W25 Casting. 2017-subaru-wrx sti-sport-tech The engine mounts feature coldIAG's Stage 5 Cylinder Head Package utilizes a CNC porting program for the W25 heads that was developed over the past five years and tested on the most successful high horsepower Subaru's. The ported head package starts with brand new W25 OEM WRX STI 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