Engine Accessories

The IAG Performance custom aluminum coolant expansion tank is designed for car builders seeking a race like engine bay for their 2004-07 Subaru WRX or STI. By relocating the coolant expansion tank from the intake manifold to the passenger side front...

The OEM Subaru turbo oil feed line is a known weak point that can be easily damaged when removing or installing a turbo. The IAG stainless steel AVCS and turbo line kit is a bullet proof solution that allows removal and installation of the turbo without...

The latest OEM Subaru tensioners work well for mild performance applications, but when used on vehicles with sequential transmissions or on high-revving engines, the tensioner may lose its ability to control the belt. This would, in turn, cause the...

The IAG Performance billet timing belt guide is the best method to prevent your EJ engine from skipping a beat. Engineered and manufactured in our facility in Westminster, MD, each guide is machined from a single piece of 6061 billet aluminum and then...

IAG is excited to announce that we have acquired the rights to LIC Motorsport’s Adjustable Timing Idlers. In an effort to continue offering an extremely popular and proven product to the Subaru community, IAG approached LIC in early 2020 with the...

The IAG Performance Version 2 Alternator Relocation Kit is designed to help the vehicle builder create space at the accessory drive system in order to reverse the intake manifold 180 degrees so the throttle body faces forward. This is a common practice...

IAG's clear timing belt covers provide a unique look to any EJ25 single AVCS engine. Imported from Germany, they feature a very transparent finish with minimal visual flaws that are often found with other plastic covers on the market. Once installed the...

IAG offers a package combining the popular HKS Fine Tune purple timing belt with our clear timing covers and timing belt guide. Inside the package is our IAG Billet Timing Belt Guide which is the best method to prevent your Subaru WRX EJ engine from...

IAG offers a package combining the popular HKS Fine Tune purple timing belt with our clear timing covers and timing belt guide for your 2008-20 Subaru STI with dual AVCS. Inside the package is our IAG Billet Timing Belt Guide which is the best method to...

IAG's transparent blue timing belt covers provide a unique look to any EJ25 single AVCS engine. Imported from Germany, they feature a transparent blue finish with minimal visual flaws that are often found with other plastic covers on the market. Once...

IAG's transparent blue timing belt covers provide a unique look to any Subaru STI EJ25 with the dual AVCS engine. Imported from Germany, they feature a very transparent finish with minimal visual flaws that are often found with other plastic covers on...

IAG offers a package combining the popular HKS Fine Tune purple timing belt with our transparent blue timing covers and timing belt guide. Inside the package is our IAG Billet Timing Belt Guide which is the best method to prevent your Subaru WRX EJ...

IAG offers a package combining the popular HKS Fine Tune purple timing belt with our transparent blue timing covers and timing belt guide for your 2008-20 Subaru STI with dual AVCS. Inside the package is our IAG Billet Timing Belt Guide which is the best...

IAG offers a package combining the popular HKS Fine Tune purple timing belt with our transparent blue timing covers, timing belt guide, and Competition Timing Belt Tensioner. Inside the package is our IAG Billet Timing Belt Guide which is the best method...

IAG offers a package combining the popular HKS Fine Tune purple timing belt with our transparent blue timing covers, timing belt guide, and Competition Series Tensioner for your 2008-20 Subaru STI with dual AVCS. Inside the package is our IAG Billet...

IAG's transparent red timing belt covers provide a unique look to any EJ25 single AVCS engine. Imported from Germany, they feature a transparent blue finish with minimal visual flaws that are often found with other plastic covers on the market. Once...

IAG's transparent red timing belt covers provide a unique look to any Subaru STI EJ25 with the dual AVCS engine. Imported from Germany, they feature a very transparent finish with minimal visual flaws that are often found with other plastic covers on the...

IAG offers a package combining the popular HKS Fine Tune purple timing belt with our transparent red timing covers and timing belt guide. Inside the package is our IAG Billet Timing Belt Guide which is the best method to prevent your Subaru WRX EJ engine...

IAG offers a package combining the popular HKS Fine Tune purple timing belt with our transparent red timing covers and timing belt guide for your 2008-20 Subaru STI with dual AVCS. Inside the package is our IAG Billet Timing Belt Guide which is the best...

IAG offers a package combining the popular HKS Fine Tune purple timing belt with our transparent red timing covers, timing belt guide, and Competition Timing Belt Tensioner. Inside the package is our IAG Billet Timing Belt Guide which is the best method...

IAG offers a package combining the popular HKS Fine Tune purple timing belt with our transparent red timing covers, timing belt guide, and Competition Series Tensioner for your 2008-20 Subaru STI with dual AVCS. Inside the package is our IAG Billet...