IAG 900 Closed Deck Long Block Engine w/ Stage 4 Heads for 06-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT
IAG 900 Long Block Engine Includes:
IAG Magnum Closed Deck Short Block:
- Case Halves -Converted to Closed Deck using brand new Subaru OEM case halves, bored and honed to 99.75mm.
- 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
- Head Studs -Machine Case for 14mm head studs
- Pistons -IAG-Spec JE FSR 99.75mm 2618 Forged Pistons, Electroless Nickel Plated Tops & Ring area, Ring Set, .250" / .906" H13 Wrist Pins, Clips, (Perfect Skirt Coating and Offset Wrist Pins)
- Connecting Rods -IAG-Spec Tuff H-Beam +2mm / ARP 625+ Rod Bolts.
- Rod / Main Bearings -ACL or King Race bearings.
- Crankshaft -Standard New Subaru Nitride Treated 2017+ STI Crankshaft.
- Case / Main Bolts -Standard FHI Subaru case bolts.
Stage 4 Heads:
- Heads - Brand New Subaru OEM WRX STI Cylinder Head Castings
- Machine Porting - CNC Ported Intake and Exhaust Runners
- Intake Valves - GSC 37mm (+1mm) Intake Valves
- Exhaust Valves - GSC 33mm (+1mm) SuperAlloy Exhaust Valves
- Springs / Retainers - GSC Beehive Valve Springs & Retainers
- Guides - GSC Maganese Valve Guides
- Valve Seals - GSC Valve Stem Seals
- Lifters - OEM Lifter Buckets
- Camshafts - GSC Stage 2 or Stage 3 Billet Camshafts
- Multi-Angle Valve Job
- Machined Cam Lobe Clearance
- Drilled For 14mm Heads Studs
- Resurface
- Ultrasonic Cleaning
- Final Lash
Gaskets, Hardware & Accessories:
- Head Studs - IAG / ARP 14mm Set
- Head Gaskets - IAG Fire-Lock™
- Valve Cover Gaskets - OEM
- Cam Seals - OEM
- Valve Covers - OEM
- Wrist Pin Seal, Rear Main Seal & Separator Kit
- Crankshaft Woodruff Key
