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IAG 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams - Subaru STI 2008 - 2019
IAG 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams - Subaru STI 2008 - 2019
IAG 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams - Subaru STI 2008 - 2019

IAG 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams

Subaru STI 2008 - 2019

$12,749.99

Product will ship from manufacturer, average time to ship: 88 business days
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Features & Product Details

RallySport Direct now carries highly sought-after high-performance upgrades and accessories brought to you by IAG Performance. 

 

This is the IAG 900 Long Block. This package is a complete, valve cover to valve cover, crate engine. It is the perfect option for ease of installation and gives you a premier "drop-in" engine. This kit will support up to 900BHP applications. IAG's break-in instructions MUST be followed and the package must be professionally installed for the 12-month / 12k mile warranty to be applicable. All IAG Short Blocks are balanced and blueprinted.

 

 

 

900 CLOSED DECK LONG BLOCK INCLUDES:

  • Case Halves: Converted to closed deck from brand new OEM Subaru case halves that are bored and honed to 99.75mm 
  • Fire Lock - IAG Fire-Lock receiver groove machining, the latest solution to prevent head gasket failure on high horsepower and high boost Subarus
  • Machined casings for 14mm head studs
  • IAG Pec JE FSR 99.75mm 2618 forged pistons, electroless nickel-plated tops and ring area, ring set, .250" / .906" H13 wrist pins and clips
  • IAG-Spec Tuff H-Beam +2mm connecting rods with ARP 625+ rod bolts
  • ACL or King Race rod and main bearings
  • Standard new Subaru nitride treated 2017+ STI crankshaft
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    STAGE 4 HEADS:

  • Brand new Subaru OEM WRX/STI cylinder head castings
  • CNC machine ported intake and exhaust runners
  • GSC 37mm (+1mm) intake valves
  • GSC 33mm (+1mm) SuperAlloy exhaust valves
  • GGSC beehive valve springs and retainers
  • GSC Manganese valve guides
  • GSC valve stem seals
  • OEM lifter buckets
  • GSC Stage 3 billet camshafts
  • Multi-angle valve job
  • Machined cam lobe clearance
  • Drilled for 14mm head studs
  • Resurfaced
  • Ultrasonix cleaning
  • Final lash
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    GASKETS AND HARDWARE:

  • IAG / ARP 14mm head studs
  • IAG Fire-Lock head gaskets
  • OEM valve cover gaskets
  • OEM cam seals
  • OEM valve covers
  • Wrist pin seal, rear main seal, and separator kit
  • Crankshaft woodruff key
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