IAG Performance - Subaru Performance Parts & Service. Based in Maryland, IAG manufactures and sells products for the WRX, STI, Forester XT, Legacy GT, and BRZ.

IAG 550 2.5L Subaru Short Block for WRX, STI, Legacy GT, Forester XT - 550 BHP Availability: Usually Ships in 24 to 72 Hours

IAG Performance carries oem replacement and high-performance engine cooling parts for your 2002-2023 Subaru WRX, STI, Legacy GT, Forester XT, and BRZ. We have all the parts you …

Boost the power of your Subaru with an IAG Performance short block engine from Modern Automotive Performance. One of the great things about Subaru’s sports models such as the …

2015-2021 Subaru WRX 600 FA20 DIT Long Block Engine w/ IAG 600 Heads by IAG. The IAG Performance Hand-Built 600 Subaru FA20F (DIT) Long Block Package is a complete, valve …

The IAG 600 FA20F (DIT) long block features our highly popular IAG 600 FA20F (DIT) WRX Short Block. The IAG 600 FA20F Short Block starts with a new Subaru FA 2.0L engine case …

The IAG Performance Equal Length Header is the perfect upgrade to boost the performance and power in your 2015-2021 Subaru WRX with the FA20DIT engine. While the OEM headers …

This short block has been bored and honed to 86.1mm using IAG's in-house Sunnen SV-10. The result is tighter wall clearances on the pistons to help produce a quieter running engine. It is …

The IAG 600 FA20F (DIT) long block features our highly popular IAG 600 FA20F (DIT) WRX Short Block. The IAG 600 FA20F Short Block starts with a new Subaru FA 2.0L engine case …

The IAG Performance Equal Length Header is the perfect upgrade to boost the performance and power in your 2015-2021 Subaru WRX with the FA20 DIT engine. While the OEM headers …