IAG s Stage 5 Cylinder Head Package utilizes a CNC porting program for the N25 heads that was developed over the past five years and tested on the most successful high-horsepower Subarus. The ported head package starts with brand new N25 2008-17 STI OEM head castings directly from Subaru of America. The bare castings are…
IAG s Stage 5 Cylinder Head Package utilizes a CNC porting program for the S20 heads that was developed over the past five years and tested on the most successful high-horsepower Subarus. The ported head package starts with brand new S20 2002-2005 WRX OEM head castings directly from Subaru of America. The bare castings are…
IAG s Stage 5 Cylinder Head Package utilizes a CNC porting program for the V25 heads that was developed over the past five years and tested on the most successful high-horsepower Subarus. The ported head package starts with brand new V25 2004-07 STI OEM head castings directly from Subaru of America. The bare castings are…
IAG 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 Subarus. The ported head package starts with brand new W25 2008-17 STI OEM head castings directly from Subaru of America. The bare castings are…
IAG s Stage 5 Cylinder Head Package utilizes a CNC porting program for the S20 heads that was developed over the past five years and tested on the most successful high-horsepower Subarus. The ported head package starts with brand new S20 OEM WRX head castings directly from Subaru. The bare castings are inspected then fixtured…
IAG s Stage 5 Cylinder Head Package utilizes a CNC porting program for the B25 heads that was developed over the past five years and tested on the most successful high-horsepower Subarus. The ported head package starts with brand new B25 2004-06 STI, 2004-05 Forester XT and 2005-06 Legacy GT OEM head castings directly from…