The IAG 800 Short Block is designed for modified FA20 DIT Subaru WRXs that need a stronger short block to support increased cylinder pressures created by additional boost pressure and larger turbochargers. The IAG 800 short block features our proprietary closed-deck cylinder support system to strengthen the OEM FA20 cylinder walls. The short block is fitted with IAG Spec H-Beam forged connecting rods. Head gasket sealing is handled with the addition of an o-ring and 1/2" head studs for additional compression of the head gasket.These upgrades are ideal for those seeking to get the most out of their full bolt-on and upgraded turbo WRXs.
IAG 800 FA20 2.0L Short Block Includes:
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Case Halves - Brand new OEM Subaru FA20 case halves, bored and honed to 86.1mm
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Case Machining - Modified for improved oiling
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Case Machining - Bored and honed to 86.1mm
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O-Ringing - Machine and O-Ring Deck Surface
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Head Studs - Machine Case for 1/2" head studs - *Head Studs are sold Separately
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Pistons - IAG-Spec JE 86.1mm Forged Pistons, Ring Set, and .210" x 2.250" Chromoly Wrist Pins.
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Connecting Rods - IAG-Spec H-Beam / ARP2000 Rod Bolts
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Rod - ACL or King XPG
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Main Bearings -OEM or King XPG
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Crankshaft - New Subaru FA20 DIT WRX crankshaft
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Case / Main Bolts - Standard Subaru case bolts
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Hardware - OEM Oil Plug - comes preinstalled at the oil pan location
Compression Ratio:
- 10.5:1 compression on standard gasket thickness.
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