IAG - Subaru 13-20 BRZ - Stage 2 FA20 Subaru Short Block

IAG Performance
SKU: IAG-ENG-1210

Quick Overview

IAG Stage 2 FA20 Short Block The IAG Stage 2 short block starts with new Subaru FA 2.0L BRZ engine case halves that are machined for improved oiling. Then the case is bored and honed to 86.25mm on our in-house Sunnen SV-30 the most advanced automotive cylinder hone available. IAG's...
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IAG Stage 2 FA20 Short Block


The IAG Stage 2 short block starts with new Subaru FA 2.0L BRZ engine case halves that are machined for improved oiling. Then the case is bored and honed to 86.25mm on our in-house Sunnen SV-30 the most advanced automotive cylinder hone available.

IAG's in-house honing process is able to set piston to wall clearances tighter for a quieter running engine. The short block is measured and assembled using a new FA20 WRX / BRZ Subaru crankshaft that is matched to King main bearings. Brian Crower H-Beam rods with ARP2000 rod bolts are utilized along with King or ACL rod bearings. The case halves are sealed with new OEM case bolts and sealant. Finally, standard compression IAG-Spec 86.25mm 12.5:1 compression ratio forged pistons are spec'd and installed along with an OEM oil plug finishing off the short block.

Stage 2 FA20 Includes:

  • Case Halves -Brand new OEM Subaru BRZ FA20 case halves, bored and honed to 86.25mm
  • Case Machining - Modified for improved oiling
  • Case Machining - Bored and honed to 86.25mm
  • Pistons -IAG-Spec 86.25mm 12.5:1 Forged Pistons, Ring Set, and 1.50" x 2.250" Chromoly Wrist Pins
  • Connecting Rods -Brian Crower H-Beam / ARP2000 Rod Bolts
  • Compression Ratio: 12.51 
  • Rod Bearings -ACL or KING XPG
  • Main Bearings -King XPG
  • Crankshaft -New Subaru FA20 WRX / BRZ crankshaft
  • Case / Main Bolts -Standard Subaru case bolts
  • Hardware - OEM Oil Plug - preinstalled at the oil pan location.


Additional Options Available:

  • Oil Plugs & Rear Main Seal - (x2) 11024AA141 Plug, (x1) 806792010 Rear Main Seal


Compression Ratio:

  • 12.5:1 (Standard Compression) on standard gasket thickness.


Power: The Stage 2 Short Block has a power output rating of 600BHP

 

Fitment:

  • Subaru 13-20 BRZ
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