2003 Subaru Impreza
Engine
Motor Builds
Short Blocks
SHOP 2003 SUBARU IMPREZA FEATURED PRODUCTS
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IAG-ENG-S115
IAG 1150 2.5L Subaru Short Block - Subaru Models (Inc. 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester)

IAG-ENG-H550SCL
IAG 550 Street Cylinder Heads Package - S20 Heads (Includes Cams & Lifters + Chamber Mods)(EJ20 Heads On 2.5L Block Only) - 2002-2005 Subaru WRX

2 In Stock
IAG-ENG-S750
IAG Performance 750 Closed Deck Includes: Case Halves - Subaru Models (Inc. 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester)

IAG-ENG-H550SL
IAG 550 Street Cylinder Heads Package - S20 Heads (Includes Cams & Lifters / No Chamber Mods) - 2002-2005 Subaru WRX

IAG-ENG-1611
IAG Performance / Willall Stage X 2.5L Subaru Billet Aluminum Short Block - Subaru Models (Inc. 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester)

IAG-ENG-S950
IAG 950 EJ25 Subaru Short Block - Subaru Models (Inc. 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester)

6 In Stock
IAG-ENG-S550
IAG Performance 550 Short Block Includes: Case Halves - Subaru Models (Inc. 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester)

IAG-ENG-H550SE
IAG 550 Street Cylinder Heads Package - S20 Heads (No Cams & Lifters / No Chamber Mods) - 2002-2005 Subaru WRX
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