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IAG Stage 4 Ported Heads with +1mm GSC Valves & Cams: IAG s Stage 4 Cylinder Head Package utilizes a CNC porting program for the WRX STI 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 WRX STI OEM…
IAG s Stage 4 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 WRX STI W25 head castings directly from Subaru of America. The bare castings are visually…
IAG s Stage 4 Cylinder Head Package utilizes a CNC porting program for the D25 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 STI Forester XT Legacy GT OEM head castings directly from Subaru of America. The…
IAG s Stage 4 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 STI Forester XT Legacy GT OEM head castings directly from Subaru of America. The…
IAG Stage 4 CNC Ported Heads with +1mm GSC Valves: IAG s Stage 4 Cylinder Head Package utilizes a CNC porting program for the WRX STI 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 WRX OEM 2.0L S20…
IAG s Stage 4 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 STI V25 OEM head castings directly from Subaru of America. The bare castings are visually…
IAG Stage 4 Ported Heads with +1mm GSC Valves & Cams: IAG s Stage 4 Cylinder Head Package utilizes a CNC porting program for the S20 heads that was developed over the past 5 years and tested on the most successful high-horsepower Subarus. The ported head package starts with brand new S20 WRX OEM head…
IAG Stage 4 Ported Heads with +1mm GSC Valves & Cams: IAG s Stage 4 Cylinder Head Package utilizes a CNC porting program for the S20 heads that was developed over the past 5 years and tested on the most successful high-horsepower Subarus. The ported head package starts with brand new S20 WRX OEM head…
IAG Stage 4 CNC Ported Heads with +1mm GSC Valves: IAG s Stage 4 Cylinder Head Package utilizes a CNC porting program for the WRX STI 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 WRX OEM 2.0L S20…
IAG s Stage 5 Cylinder Head Package utilizes a CNC porting program for the D25 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 D25 OEM WRX head castings directly from Subaru of America. The bare castings are visually…
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 Subaru s. The ported head package starts with brand new N25 OEM WRX STI head castings directly from Subaru of America. The bare castings…
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 of America. The bare castings are visually…
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 Subaru s. The ported head package starts with brand new V25 OEM WRX STI head castings directly from Subaru of America. The bare castings…
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 Subaru s. The ported head package starts with brand new W25 OEM WRX STI head castings directly from Subaru of America. The bare castings…
IAG s Stage 5 Cylinder Head Package utilizes a CNC porting program for the AW20 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 AW20 FA20 WRX DIT OEM head castings, directly from Subaru of America. The bare castings…
IAG s Stage 5 Cylinder Head Package utilizes a CNC porting program for the D25 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 2006-14 WRX D25 OEM head castings directly from Subaru of America. The bare castings are…
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