
Product Description
- 2002-2005 WRX
- 2006-2007 WRX
- 2008-2014 WRX
- 2004-2007 STi
- 2008-2014 STi
- 2015-2021 STi
- 2004-2008 Forester XT
- 2009-2013 Forester XT
- 2005-2009 Legacy GT
- Brand: IAG Performance
- Manufacturer's Part Number: IAG-ENG-1611
- Primary Material: Billet Aluminum
- Manufacturer's Warranty: 12 Months
- Superseded From: IAG-ENG-1610
- UPC: 887753778178
- GTIN: 00887753778178
- Condition: New Product
FITMENTS:
Subaru
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Manufacturer's Description: The CNC Billet Aluminum 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. Each IAG / Crest CNC Case is machined from 6061-T6 Aerospace Aluminum and features Darton Ductile Iron Sleeves. The block is designed with increased material thickness over the OEM cast aluminum case halves and adds a unique 4-bolt bottom end for additional strength. The IAG / Crest CNC Stage "X" Block, (Formally Willall) is a complete short block built on the Crest billet platform, which also includes pistons, rods, bearings, crank, bore/hone, case bolts, line hone, and final assembly and blueprinting. Included: IAG Stage X Complete Shortblock Includes: • Case -Crest Billet / Sleeved Case Halves • Fire-Lock -IAG Fire-Lock receiver groove machining, latest solution to prevent head gasket failure on high horsepower and high boost Subaru's - *IAG Fire-Lock head gaskets required • Machining -Machined for 14mm Head Studs *(Studs sold separately / Note the proper head gaskets or head gasket modifications are required for proper fitment with 14mm studs. • Pistons -IAG-Spec JE FSR 99.75mm 2618 Forged Pistons, Electro-nickel Plated Tops & Ring area, Ring Set, .250" / .927" H13 Wrist Pins, Clips, (Perfect Skirt Coating and Offset Wrist Pins) • Connecting Rods -IAG-Spec +2mm Tri-Beam w/ ARP625+ Rod Bolts • Rod/Main Bearings -ACL/King Race Bearings • Crankshaft -IAG-Spec Billet Crank • Case / Main Bolts -ARP Main Bolts Additional Options Available: • Head Studs -IAG / ARP Spec 14mm head studs, nuts, and washers • Oil Pumps -IAG Stage 2 CNC Ported 11mm EJ Oil Pump or Subaru JDM 12mm Oil Pump • IAG Oil Pickup - Upgraded oil pickup featuring heavy gauge steel tubing, 2 point bracket & mesh filter • IAG Oil Baffle - Upgraded oil control baffle and windage tray • IAG Oil Pickup & Baffle Set - Upgraded oil pickup, oil control baffle, and windage tray • Hardware / Seal Option -(Includes: Wrist pin plugs, washers, separator cover, bolts, etc. In case you don't want to transfer from the original engine). Features: Stage X Billet EJ25 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) • Unique 4 bolt bottom end strengthening • Threads are rolled into the block rather than conventionally cut for much greater strength • Full cooling system operation • Radiused coolant and oil galleries for improved flow and less foaming/turbulence • Fits all factory engine bay ancillaries (i.e. AC/PS/etc.) • Multiple Times stiffer and stronger than the stock case • Precision machined for a superior surface finish • Hard anodized to avoid marking or straining |
Inventory Updated Daily