IAG 600 EJ25 Long Block Engine w/ Stage 2 V25 Heads - Subaru Models (inc. 2004-2007 STI)

Please Note: This item is not eligible for standard ground shipping and must be delivered via freight. To receive a custom invoice that includes all applicable freight charges, kindly contact us by email or phone.

 

STOCK NOTICE: This item is built to order and carries a minimum 6-8 week build time. 

 

HIGHLIGHTS:

• Fully blueprinted, balanced, clearanced, and assembled 
• Rated to 600 HP

 

IAG 600 Long Block Engine w/ Stage 2 V25 Heads

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STAGE 2 TUFF SHORT BLOCK SPECS:

• Case Halves: Brand new Subaru OEM case halves that have been bored and honed to 99.75mm
• Pistons: IAG-Spec JE 99.75mm forged pistons, ring set, .210" 9310 steel pins, clips, with coated skirts
• Connecting Rods: IAG Spec Tuff H-Beams w/ARP 2000 rod bolts
• 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 2 HEAD SPECS:

• Heads: Brand new Subaru OEM WRX/STI cylinder head castings
• Machine Porting: CNC pocket ported
• Intake Valves: GSC 36mm standard intake valves
• Exhaust Valves: GSC 32mm standard exhaust valves
• Springs / Retainers: GSC single valve springs with titanium retainers
• Guides: OEM valve guides
• Valve Seals: GSC valve stem seals
• Lifters: OEM lifter buckets
• Camshafts: GSC stage 2 billet camshafts
• Multi-angle valve job
• Machined cam lobe clearance
• Resurfaced
• Ultrasonic cleaning
• Final lash

 

INCLUDED GASKETS AND HARDWARE:

• Head Studs: ARP 2000 11mm set
• Head Gaskets: OEM
• Valve Cover Gaskets: OEM
• Cam Seals: OEM
• Valve Covers: OEM
• Includes wrist pin seal, rear main seal, and separator kit
• Includes crankshaft woodruff key

 

BLUEPRINTED AND BUILT BY ONE OF THE LEADING ESTABLISHMENTS IN THE SUBARU PERFORMANCE INDUSTRY

This is the IAG 600 Long Block Engine w/ Stage 2 V25 Heads. This is a complete long block built by highly reputable IAG Performance, and it has been rated to 600 horsepower. If you need a rebuild but do not want to wait on the machine shop to machine your heads and prepare your block for new internals, then this is an excellent investment. This block is ideal for those of you with moderate modifications, and who do not want to exceed 600 WHP. It will arrive already clearance and assembled and ready to drop in.