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    Short Blocks

    Unlock the potential of your Subaru's engine with a high-performance short block from Subispeed. Our selection features meticulously crafted short blocks that serve as the foundation for powerful and reliable performance upgrades. Engineered to withstand increased power and torque, these short blocks are available for Subaru models such as the WRX, STI, Forester, and Crosstrek. Choose from reputable manufacturers like IAG Performance and Cosworth to ensure exceptional quality and performance. By upgrading to a short block, you'll benefit from reinforced internals, increased displacement, and improved engine strength, allowing you to handle higher levels of power and performance modifications. Take your Subaru's engine to the next level with a high-performance short block from Subispeed and unleash the full potential of your driving experience.

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    17 Results

    IAG Performance / Crest CNC Stage X 2.5L Subaru Billet Aluminum Short Block for 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester

    IAG Performance / Crest CNC Stage X 2.5L Subaru Billet Aluminum Short Block for 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester

    $18,959.96
    IAG 550 2.5L Subaru Short Block for 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester - 550 BHP

    IAG 550 2.5L Subaru Short Block for 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester - 550 BHP

    $5,459.96
    IAG 750 2.5L Subaru Closed Deck Short Block for 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester - 750 BHP

    IAG 750 2.5L Subaru Closed Deck Short Block for 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester - 750 BHP

    $6,459.96
    IAG 950 EJ25 Destroked 2.35L Closed Deck Short Block for 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester - 950 BHP

    IAG 950 EJ25 Destroked 2.35L Closed Deck Short Block for 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester - 950 BHP

    $7,959.96
    IAG 600 FA20 DIT Subaru Short Block - 2015-2021 Subaru WRX / 2014-2018 Forester

    IAG 600 FA20 DIT Subaru Short Block - 2015-2021 Subaru WRX / 2014-2018 Forester

    5.0(1)
    $5,309.98
    IAG 1150 2.5L Subaru Closed Deck Short Block for 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester - 1150 BHP

    IAG 1150 2.5L Subaru Closed Deck Short Block for 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester - 1150 BHP

    $10,459.96
    IAG 1150 EJ25 Destroked 2.35L Closed Deck Short Block for 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester - 1150 BHP

    IAG 1150 EJ25 Destroked 2.35L Closed Deck Short Block for 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester - 1150 BHP

    $11,459.96
    IAG 800 BHP FA20 DIT Subaru Closed Deck Short Block - 2015-2021 Subaru WRX / 2015-2018 Forester

    IAG 800 BHP FA20 DIT Subaru Closed Deck Short Block - 2015-2021 Subaru WRX / 2015-2018 Forester

    $7,109.97
    IAG 950 2.5L Subaru Closed Deck Short Block for 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester - 950 BHP

    IAG 950 2.5L Subaru Closed Deck Short Block for 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester - 950 BHP

    $7,459.96
    IAG 1150 High Compression 2.5L Subaru Closed Deck Short Block for 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester - 1150 BHP

    IAG 1150 High Compression 2.5L Subaru Closed Deck Short Block for 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester - 1150 BHP

    $10,459.96
    IAG 1000 FA24 Closed Deck Short Block for 2022-24 Subaru WRX - 1000 BHP

    IAG 1000 FA24 Closed Deck Short Block for 2022-24 Subaru WRX - 1000 BHP

    $7,956.54
    HKS Short Block FA24 2.5L High Comp - Step 1 - 2022-2024 Subaru BRZ / Toyota GR86

    23011-AT007

    HKS Short Block FA24 2.5L High Comp - Step 1 - 2022-2024 Subaru BRZ / Toyota GR86

    $12,650.00
    IAG 600 FA20 Subaru Short Block (10.5:1 Compression Ratio) - 2013-2021 Scion FRS / Subaru BRZ / Toyota 86

    IAG 600 FA20 Subaru Short Block (10.5:1 Compression Ratio) - 2013-2021 Scion FRS / Subaru BRZ / Toyota 86

    $5,309.98
    IAG 600 FA20 Subaru Short Block (Standard Compression 12.5:1) - 2013-2021 Scion FRS / Subaru BRZ / Toyota 86

    IAG 600 FA20 Subaru Short Block (Standard Compression 12.5:1) - 2013-2021 Scion FRS / Subaru BRZ / Toyota 86

    $5,309.98
    IAG 800 BHP FA20 Subaru Short Block (10.5:1 Compression Ratio) - 2013-2020 Scion FRS / Subaru BRZ / Toyota 86

    IAG 800 BHP FA20 Subaru Short Block (10.5:1 Compression Ratio) - 2013-2020 Scion FRS / Subaru BRZ / Toyota 86

    $7,109.97
    IAG 800 BHP FA20 Subaru Short Block (12.5:1 Compression Ratio) - 2013-2021 Scion FRS / Subaru BRZ / Toyota 86

    IAG 800 BHP FA20 Subaru Short Block (12.5:1 Compression Ratio) - 2013-2021 Scion FRS / Subaru BRZ / Toyota 86

    $7,109.97
    HKS Short Block FA24 2.5L High Comp - Step 2 - 2022-2024 Subaru BRZ / Toyota GR86

    23011-AT008

    HKS Short Block FA24 2.5L High Comp - Step 2 - 2022-2024 Subaru BRZ / Toyota GR86

    $14,300.00

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