IAG / Crest CNC Billet Aluminum EJ25 Subaru Case Halves for WRX STI Forester XT & Legacy GT. 2016-subaru-wrx-sti 5 short block starts with

5 short block starts with new Subaru FA 2

Full cooling system operation

The 2 piece billet aluminum bracket is CNC machined in our Westminster facility and features all the mounting holes required to relocate the AOS from the passenger side strut tower to the center firewall above the transmission pitch mount

breather discharge hose

along with other race-proven components to complete the assembly

IAG / Crest CNC Billet Aluminum EJ25 Subaru Case Halves for WRX STI Forester XT & Legacy GT. 2016-subaru-wrx-sti 5 short block starts withUsing the same world leading technology found in Willall's incredible billet GT R block, the billet EJ case seeks to change the Subaru performance tuning market by reinventing the EJ and addressing virtually every weakness that exists in max power builds. Case Features: Machined from solid billet 6061 T6 Aerospace grade aluminum Darton Ductile iron sleeves Increased material thickness in all known weak points (around head studs, bottom end location)