Choose Options Compare Quick view IAG Stage 2 Tuff 2.5L Subaru Short Block For WRX, STI, Legacy GT & Forester XT $3,799.99 IAG Stage 2 Tuff Short Block The IAG Stage 2 Tuff short block starts with new Subaru 2.5L EJ25 engine case halves that are bored and honed to 99.75 on our in-house Sunnen SV-30 the most advanced automotive cylinder hone available. IAG's in-house honing... $3,799.99 Choose Options Compare Quick view
Choose Options Compare Quick view IAG Stage 2.5 EJ25 Subaru Closed Deck Short Block For WRX, STI, LGT, FXT $4,399.99 IAG Stage 2.5 Subaru EJ25 Closed Deck Short Block The IAG Stage 2.5 Short Block starts with brand new Subaru 2.5L engine case halves. IAG machines the case halves assembled together in our Haas VF-4SS CNC mill to accept the IAG CLOSED Deck Inserts that... $4,399.99 Choose Options Compare Quick view
Choose Options Compare Quick view IAG Stage 3 EJ25 Pocket Ported Cylinder Head Package w/ +1mm GSC Valves For WRX, STI, LGT, FXT $3,299.99 IAG Stage 3 Pocket Port Cylinder Head Package: The head package centers around our popular CNC pocket porting program which was developed over the last several years. Pocket porting removes excess OEM casting flash and the material underneath the valves... $3,299.99 Choose Options Compare Quick view
Choose Options Compare Quick view IAG Stage 3 Extreme EJ25 Subaru Closed Deck Short Block For WRX, STI, LGT, FXT $5,249.99 IAG Stage 3 Extreme Subaru EJ25 Closed Deck Short BlockThe IAG Stage 3 Extreme Short Block starts with brand new Subaru 2.5L engine case halves. IAG machines the case halves assembled together in our Haas VF-4SS CNC mill to accept the IAG CLOSED Deck... $5,249.99 Choose Options Compare Quick view
Choose Options Compare Quick view IAG Stage 4 Extreme EJ25 Subaru Closed Deck Short Block For WRX, STI, LGT, FXT $7,999.99 IAG Stage 4 Extreme Closed Deck EJ25 Subaru Short BlockThe IAG Stage 4 Extreme Short Block starts with brand new Subaru 2.5L EJ25 engine case halves. The case halves are split and the main webs are CNC machined in our Haas VF-4SS CNC mill for 9.5mm pins... $7,999.99 Choose Options Compare Quick view
Choose Options Compare Quick view IAG Stage 4 Tuff EJ25 Subaru Closed Deck Short Block For WRX, STI, LGT, FXT $5,999.99 IAG Stage 4 Tuff Subaru EJ25 Closed Deck Short BlockThe IAG Stage 4 Tuff Short Block starts with brand new Subaru 2.5L engine case halves. IAG machines the case halves assembled together in our Haas VF-4SS CNC mill to accept the IAG CLOSED Deck Inserts... $5,999.99 Choose Options Compare Quick view
Choose Options Compare Quick view IAG Trojan EJ25 Subaru Closed Deck Short Block For WRX, STI, LGT, FXT $4,999.99 IAG Trojan Subaru EJ25 Closed Deck Short BlockThe IAG Trojan Short Block starts with brand new Subaru 2.5L engine case halves. IAG machines the case halves assembled together in our Haas VF-4SS CNC mill to accept the IAG CLOSED Deck Inserts that... $4,999.99 Choose Options Compare Quick view
Choose Options Compare Quick view IAG V2 CNC Top Feed TGV Housings for 2002-14 Subaru WRX, 07-20 STI, 07-12 LGT, 06-13 FXT (Black) $309.99 The IAG V2 CNC Billet Aluminum TGV Housings are one the easiest ways to eliminate the OEM tumble generator valves on your turbocharged Subaru engine. The OEM TGV components are prone to failure and inhibit airflow through the manifold.The IAG V2 TGV... $309.99 Choose Options Compare Quick view
Choose Options Compare Quick view IAG V2 CNC Top Feed TGV Housings for 2002-14 Subaru WRX, 07-20 STI, 07-12 LGT, 06-13 FXT (Silver) $299.99 The IAG V2 CNC Billet Aluminum TGV Housings are one the easiest ways to eliminate the OEM tumble generator valves on your turbocharged Subaru engine. The OEM TGV components are prone to failure and inhibit airflow through the manifold.The IAG V2 TGV... $299.99 Choose Options Compare Quick view
