IAG 1150 Closed Deck EJ25 2.35L Long Block Includes:
IAG 1150 Closed Deck EJ25 Short Block:
- Case Halves -Brand new Subaru OEM case halves
- Pinned Mains -Machine case for 9.5mm pinned mains and lined honed.
- 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 -Machined for 14mm Head Studs.
- Pistons - JE 99.75mm FSR 2618 Custom Pistons and .240" / .906" H13 Wrist Pins with JE Pro Seal Ring Set
- Connecting Rods -Custom IAG-Spec +2mm Tri-Beam Forged Connecting Rods with ARP 625+ Rod Bolts.
- Rod / Main Bearings -ACL Race Bearings.
- Crank -IAG-Spec Billet 75mm Crank
- Case / Main Bolts -ARP Case Bolts.
Compression Ratio: All Calculated with Fire-Lock Gaskets:
- 9.2:1 on D Cylinder Heads (EJ255)
- 8.8:1 on B, V, and W EJ257 Heads
IAG 1150 Fully CNC Ported Cylinder Heads:
- Heads - Brand New Subaru OEM WRX STI Cylinder Head Castings
- Machine Porting - CNC Ported Intake and Exhaust Runners
- Intake Valves - Ferrea 37mm (+1mm) Comp Plus Intake Valves
- Exhaust Valves - Ferrea 33mm (+1mm) Comp Plus Exhaust Valves
- Springs / Retainers - Ferrea Dual Valve Springs & Titanium Retainers
- Keepers - Ferrea Valve Keepers
- Guides - GSC Manganese Bronze Valve Guides
- Valve Seals - GSC Valve Stem Seals
- Lifters - Kelford DLC Coated 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