Description

IAG 550 Long Block Engine w/ IAG 550 Heads for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

IAG 550 Long Block Engine

IAG 550 EJ25 Short Block:

Case Halves: Brand new Subaru OEM case halves with a 99.5mm stock bore
Pistons: IAG-Spec JE 99.5mm forged pistons, ring set, .180″ chromoly steel pins, clips, with perfect skirt coating and offset wrist pin
Connecting Rods: IAG Spec H-Beam rods with ARP2000 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

IAG 550 Cylinder 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
Additional Work: Multi-angle valve job, machined cam lobe clearance, resurfacing, ultrasonic cleaning, final lash adjustments

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

IAG 550 Long Block Engine

Save time and money by adding an IAG Performance Complete Timing Component Kit to your order. For optimal performance of your modified IAG long block, it’s important to use high-quality, reliable components that ensure precise timing to protect your investment. Available in Street or Comp versions each kit includes our high-strength black Kevlar belt, IAG billet aluminum Belt Guide, IAG Oil pump, timing tensioner, idlers, cam bolts, and even the inner and outer timing covers with all hardware. Compatible with all EJ Subaru long blocks, this kit provides all the correct and necessary parts for your swap at a discounted package rate.

Not sure about installing the timing belt and components on your new long block yourself? Let our experts do it for you. Our highly trained technicians have years of experience installing these timing systems, and have performed thousands of installations. Did you know that you can easily cause permanent and catastrophic damage to your valves if the timing procedure is performed incorrectly? Achieve peace of mind in knowing that our experts have set the timing perfectly, making the IAG Long Blocks the easy solution for reliable power.