IAG Parts

IAG Stage 4 Tuff Subaru EJ25 Closed Deck Short Block The IAG Stage 4 Tuff Short Block starts with brand new Subaru 2.5L engine case halves. IAG machines the case halves assembled together in our Haas VF-4SS CNC mill to accept the IAG CLOSED Deck Inserts...

IAG / Crest CNC Stage X Billet Aluminum EJ25 Subaru Short Block The CNC Billet Aluminum EJ case seeks to change the Subaru performance tuning market by reinventing the EJ and addressing virtually every weakness that exists in max-power builds. Each IAG /...

The IAG Long Block Engine Basic Installation Kits provide all of the basic components needed to install one of our EJ25 Long Block Engine Packages in one complete kit. All fluids for initial break-in are included. Just select the kit which fits your year...

The IAG Long Block Engine Basic Installation Kits provide all of the basic components needed to install one of our FA20F DIT WRX Long Block Engine Packages in one complete kit. All fluids for initial break-in are included. Components Included: (x2)...

IAG AIR / OIL SEPARATOR (AOS) FOR 2006-07 SUBARU IMPREZA WRX & 2004-07 STI window.SHOGUN_IMAGE_V2_ELEMENTS = window.SHOGUN_IMAGE_V2_ELEMENTS || new Array(); window.SHOGUN_IMAGE_V2_ELEMENTS.push({...

IAG AIR / OIL SEPARATOR (AOS) FOR 2008-14 SUBARU IMPREZA WRX & 2008-21 STI window.SHOGUN_IMAGE_V2_ELEMENTS = window.SHOGUN_IMAGE_V2_ELEMENTS || new Array(); window.SHOGUN_IMAGE_V2_ELEMENTS.push({...

IAG AIR / OIL SEPARATOR (AOS) FOR 2015-21 SUBARU IMPREZA WRX window.SHOGUN_IMAGE_V2_ELEMENTS = window.SHOGUN_IMAGE_V2_ELEMENTS || new Array(); window.SHOGUN_IMAGE_V2_ELEMENTS.push({ uuid:...

IAG UNIVERSAL DRAG CATCH CAN window.SHOGUN_IMAGE_ELEMENTS = window.SHOGUN_IMAGE_ELEMENTS || new Array(); window.SHOGUN_IMAGE_ELEMENTS.push({ uuid: 's-1019cf85-2452-431a-8bcb-517aae64b294' }) A UNIVERSAL...

The IAG Performance Air Oil Separator Strut Tower mounting bracket is designed to replace the standard mounting bracket included with IAG's AOS kits produced before mid April 2016. The bracket is made from 3/16" aluminum that is powder coated black and...

The IAG Performance AOS (Air Oil Separator) Strut Tower mounting bracket was originally designed to replace the standard mounting bracket included with early version 1 IAG's AOS kits. The redesigned bracket enabled installers to manipulate the AOS on the...

The IAG Performance AOS (Air Oil Separator) pitch mount bracket is designed to replace the standard mounting bracket included with IAG's AOS kits. The 2 piece billet aluminum bracket is CNC machined in our Westminster facility and features all the...

The IAG Performance AOS (Air Oil Separator) pitch mount bracket is designed to replace the standard mounting bracket included with IAG's AOS kits. The 3 piece billet aluminum bracket is CNC machined in our Westminster facility and features all the...

The IAG wiring harness relocation bracket is included in an IAG Street Series and Competition Series AOS for the 2008-14 Subaru WRX, 2008-20 STI and 2005-09 Legacy GT (PN# IAG-ENG-7151 and PN# IAG-ENG-7251).

IAG Street Series and Competition Series air oil separator replacement ECU relocation bracket for the 2015-17 Subaru WRX (PN# IAG-ENG-7152, IAG-ENG-7252 ).

The IAG AOS conversion kit is designed to switch the upper breather portion of the Street Series AOS to the Competition Series AOS in the 2006-14 Subaru WRX and 2004-21 STI. The kit includes the new billet aluminum Competition Series Single breather...

The IAG AOS conversion kit for the 2015-21 Subaru WRX FA20 DIT engine is designed to switch the upper breather portion of the Street Series AOS to the Competition Series AOS. The kit includes the new billet aluminum Competition Series Single breather...

The IAG AOS conversion kit is designed to switch the upper breather portion of the V3 Competition Series AOS to the V3 Street Series AOS on the 2015-21 Subaru WRX. The kit includes the new billet aluminum V3 Street Series double breather, Street Series...

The IAG AOS conversion kit is designed to switch the upper breather portion of the V3 Competition Series AOS to the V3 Street Series AOS on the 2006-14 Subaru WRX and 2004-21 STI. The kit includes the new billet aluminum Street Series double breather,...

The IAG AOS conversion kit is designed to switch the upper breather portion of the V2 Competition Series AOS to the V2 Street Series AOS on the 2015-21 Subaru WRX. The kit includes the new billet aluminum V2 Street Series double breather, Street Series...

The IAG AOS conversion kit is designed to switch the upper breather portion of the V2 Competition Series AOS to the V2 Street Series AOS on the 2006-14 Subaru WRX and 2004-21 STI. The kit includes the V2 billet aluminum Street Series double breather,...

This is a direct replacement IAG V3 Street Series AOS PCV Line Kit that is included with all V3 Street Series air oil separators For FA20 DIT Engines.  The kit includes the two-part line, valve, and hose clamps. This item is not intended to work...

This is a direct replacement IAG Street Series AOS PCV Line Kit that is included with all V2 Street Series air oil separators after October 1, 2016. The kit includes the two-part line, valve, and fitting. This item is not intended to work with the V3 AOS...

The IAG Performance replacement .75" x 2" block drain hose is designed to fit all EJ version 2 and version 3 IAG Air Oil Separators.  Direct replacement hose for IAG V2 & V3 AOS part...

The IAG Performance replacement .5" x 26" drain hose is designed to fit all EJ version 2 and version 3 IAG Air Oil Seperators.  Direct replacement hose for IAG V2 & V3 AOS part...

This is a direct replacement IAG V3 Street Series AOS PCV Line Kit that is included with all V3 Street Series air oil separators For EJ25 Engines.  The kit includes the two-part line, valve, and hose clamps. This item is not intended to work with...

Replacement coolant line hose with crimped aluminum fitting in a 24" length designed specifically to work with the IAG V2 air oil separators. Please know your required hose length before ordering a few AOS applications require a longer length. This item...

Replacement coolant line hose with crimped aluminum fitting in a 43" length designed specifically to work with the IAG V2 air oil separators. Please know your required hose length before ordering. This item will not work with the V3 AOS.

Replacement coolant line hose with crimped aluminum o-ring fitting on one end and crimped plastic barb on the other in a 15.5" length designed specifically to work with the IAG V2 air oil separators for the 2015-20 Subaru WRX. This item does not work...

This is a direct replacement IAG V3 AOS 15.5" Coolant Line that is included with 2015-21 Subaru WRX Street Series & Competition Series air oil separators with Part Numbers IAG-ENG-7182, IAG-ENG-7282. The 1/2" heater hose is 15.5 inches in length and...

This is a direct replacement IAG V3 AOS 20" Coolant Line that is included with Street Series & Competition Series air oil separators with Part Numbers IAG-ENG-7180, IAG-ENG-7181, IAG-ENG-7280, IAG-ENG-7281. The 1/2" heater hose is 20 inches in length...