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IAG 500 Long Block Engine w/ Stage 1 Heads for 06-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

IAG 500 Long Block Engine w/ Stage 1 Heads for 06-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

$ 9,349.99

IAG 500 Long Block Engine Includes:

Stage 1 Short Block:

  • Case Halves -Brand new Subaru OEM case halves 99.5mm Stock Bore
  • Pistons -IAG-Spec JE 99.5mm Forged Pistons, Ring Set, .180" Chromoly Steel Pins, Clips, (Perfect Skirt Coating and Offset Wrist Pin)
  • Connecting Rods -Early OEM (Stronger Style) STI rods
  • Rod / Main Bearings -ACL or King Bearings
  • Crankshaft -Standard New Subaru Nitride Treated 2017+ STI Crankshaft
  • Case / Main Bolts -Standard FHI Subaru case bolts


Stage 1 Heads:

  • Heads - Brand New Subaru OEM WRX STI Cylinder Head Castings
  • Intake Valves - GSC 36mm (Standard) Intake Valves
  • Exhaust Valves - GSC 32mm (Standard) Exhaust Valves
  • Springs / Retainers - GSC Valve Springs & Titanium Retainers
  • Guides - OEM Valve Guides
  • Valve Seals - GSC Valve Stem Seals
  • Lifters - OEM Lifter Buckets
  • Camshafts - GSC Stage 1 Billet Camshafts
  • Multi-Angle Valve Job
  • Machined Cam Lobe Clearance
  • Resurface
  • Ultrasonic Cleaning
  • Final Lash


Gaskets, Hardware & Accessories:

  • Head Studs - ARP 2000 11mm Set
  • Head Gaskets - OEM
  • Valve Cover Gaskets - OEM
  • Cam Seals - OEM
  • Valve Covers - OEM
  • Wrist Pin Seal, Rear Main Seal & Separator Kit
  • Crankshaft Woodruff Key



Power:The IAG 500 Long Block has a power output rating of 500BHP.

*All IAG short blocks are balanced and blueprinted.


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