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IAG Performance S2 FA20DIT Short Block Stage 2 FA20 DIT Subaru Short Block

Engine Short Block


IAG Stage 2 FA20 DIT Subaru Short Block for 2015-21 WRX.

  • All IAG Short Blocks are balanced and blueprinted.
  • Compression Ratio: 10.6:1 compression on standard gasket thickness.
  • The IAG Stage 2 Short Block has a power output rating of 600BHP
Pricing: $4,399.99

Free ground shipping on all order over $100.00 (some exclusions may apply)


Subaru: WRX 15 - 21, Subaru: Forester 14 - 18

Stage 2 FA20 Includes: Case Halves - Brand new OEM Subaru FA20 case halves, bored and honed to 86.1mm, Case Machining - Modified for improved oiling, Case Machining - Bored and honed to 86.1mm, Pistons - IAG-Spec 86.1mm Forged Pistons, Ring Set, and .150" x 2.250" Chromoly Wrist Pins. Connecting Rods - Brian Crower H-Beam / ARP2000 Rod Bolts, Rod Bearings - ACL or King XPG, Main Bearings - IAG Spec, Crankshaft - New Subaru FA20 DIT WRX crankshaft, Case / Main Bolts - Standard Subaru case bolts, OEM Oil Plug - comes preinstalled at the oil pan location

IAG Stage 2 FA20 DIT Short Block The IAG Stage 2 short block starts with new Subaru FA 2.0L engine case halves that are machined for improved oiling. Then the case is bored and honed to 86.1mm 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 2015-20 Subaru 2.0L WRX 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, IAG-Spec 86.1mm forged pistons are spec'd and installed along with an OEM oil plug finishing off the short block. Additional Options Available: Oil Plugs & Rear Main Seal - (x1) 11021AA190 Plug, (x2) 11024AA141 Plugs , (x1) 806792010 Rear Main Seal - $36.99


  • IAG-ENG-1206
  • IAG-ENG-1206
  • 887753777997
  • IAG Performance
  • New


Shipping Information

  • Item Requires Shipping
  • 105.0 lbs.
  • W19.0000” x H16.0000” x L19.0000”
  • Free ground shipping on all order over $100.00 (some exclusions may apply)

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