2008-2014 STI Engine

Enhance your Subaru’s engine reliability and performance with the IAG Performance Oil Control Baffle, Windage Tray, and V2 Oil Pickup Combo. Design...

The IAG Performance V2 Oil Pickup is engineered for optimal oil flow and durability in Subaru models including 2002-14 WRX, 2004-21 STI, 2005-09 Le...

The IAG Performance / ARP 14mm Head Stud Set is engineered for Subaru WRX, STI, Legacy GT, and Forester XT models, delivering superior clamping for...

The IAG Wrist Pin / Cover Seal Kit for Subaru EJ25 Short Blocks provides all essential seals and covers needed for a reliable installation. This co...

IAG PERFORMANCE / CREST CNC 2.5L SUBARU BILLET ALUMINUM SHORT BLOCK 1150+ BHPTHE IAG PERFORMANCE / CREST CNC STAGE X SHORT BLOCKThe IAG Perform...

IAG 1150 EJ25 2.35L DESTROKED SUBARU CLOSED DECK SHORT BLOCK FOR WRX, STI, LGT, FXT - 1150 BHPTHE IAG 1150 EJ25 2.35L DESTROKED CLOSED DECK SHORT B...

IAG 1150 Closed Deck EJ25 Short Block Includes: Case Halves -Converted to Closed Deck from brand new OEM Subaru case halves, bored and honed to 9...

IAG 1150 Closed Deck EJ25 Short Block Includes: Case Halves -Converted to Closed Deck from brand new OEM Subaru case halves, bored and honed to 9...

IAG 950 EJ25 2.35L Short Block Includes: Case Halves - Brand new Subaru OEM case halves Fire-Lock - IAG Fire-Lock™ receiver groove machining, la...

IAG 950 Closed Deck EJ25 Short Block Includes: Case Halves -Converted to Closed Deck using brand new Subaru OEM case halves, bored and honed to 9...

IAG 750 Closed Deck Includes: Case Halves -Converted to Closed Deck using brand new Subaru OEM case halves, bored and honed to 99.75mm. Pistons ...

The IAG Performance EJ Street Series Oil Pan is engineered for Subaru models including 02-14 WRX, 04-21 STI, 05-09 Legacy GT, and 04-13 Forester XT...

The IAG Stainless Steel AN Breather Fitting Set is engineered for precision and durability, compatible with 2004-21 Subaru STI, 05-14 WRX, 04-13 FX...

The IAG AOS Strut Tower Mounting Bracket is engineered for precise fitment on 2008-21 Subaru WRX/STI and 2005-09 Legacy GT models. Designed to secu...

The IAG Air/Oil Separator (AOS) is engineered for Subaru models including 08-14 WRX, 08-21 STI, 09-13 FXT, and 05-09 Legacy GT and Outback XT. This...

Engineered specifically for the 08-14 Subaru Impreza WRX/STI, this GrimmSpeed Fender Shroud in striking red delivers both performance and aesthetic...

The GrimmSpeed Turbo Heat Shield Reflect-A Gold Foil provides superior thermal protection for your turbocharger system. Engineered with advanced re...

Secure your battery with precision using the GrimmSpeed Lightweight Battery Mount Kit designed specifically for 2008-2014 Subaru WRX STI models. Th...

Secure your battery with precision using the GrimmSpeed Lightweight Battery Mount Kit specifically engineered for 2008-2014 Subaru WRX STI models. ...

Engineered specifically for 2008-14 Subaru WRX and STI models, the GrimmSpeed Black Radiator Shroud with integrated tool tray delivers superior eng...

Engineered for precision performance, the GrimmSpeed 75A Street Transmission Mount delivers optimal rigidity for your Subaru STI or WRX manual tran...

Precision-engineered GrimmSpeed Gold Oil Caps deliver both functionality and style for your 1989-2022 Subaru. CNC-machined from billet aluminum wit...

GrimmSpeed 89-22 Subaru All Models Bolt Oil Caps - Red Precision-engineered GrimmSpeed V2 Bolt Oil Cap in vibrant red delivers superior sealing per...

Precision-engineered GrimmSpeed Oil Caps deliver superior sealing and durability for Subaru models from 1989-2022. CNC-machined from billet aluminu...