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IAG 550 Long Block Engine w/ IAG 550 Heads for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT PDM_fog-lightsIAG 550 Long Block Engine w IAG 550 Heads 02 14 WRX 04 21 STI 04 13 FXT 05 09 LGT Complete Drop In Engine Entry Level Reliability The IAG 550 Long Block is a complete valve cover to valve cover crate engine built around IAG's 550 Short Block and 550 Cylinder Heads. It is designed as a true drop in solution for 2002 2014 WRX, 2004 2021 STI, 2004 2013 Forester XT, and 2005 2009 Legacy GT applications a complete, timed assembly that makes installation
Ball socket joints allow full articulation in any direction
Rear Camber and Tire Contact
The low-profile design keeps all wiring tucked nicely underneath the OEM cover plate
Titanium exhaust tips
000 times on compression inspection with less than 5% deformation
The end decision is based on personal preference
A progressive spring keeps the daily commute comfortable while providing additional roll stiffness under the higher cornering loads of spirited driving and occasional track use
especially when upgrading to a larger fuel pump and injectors
R32 Skyline Platform Notes
The lightweight flywheel is manufactured from high-strength chromoly steel and is significantly lighter than the factory cast iron unit
By containing turbocharger heat at the source
and Golf (MK4) is a high-wear location that directly affects steering feel and precision