2005 Subaru Impreza Motor Builds Upgrades

    WRX STI Upgrades by WRX STI Experts. 

    Shop 2005 Subaru Impreza Motor Builds Upgrades by Category

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    Timing Belts

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    Gaskets

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    Engine Hardware and Fittings

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    Valve Springs

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    Timing Belt Components

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    Valvetrain Components

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    Main Bearings

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    Tools and Accessories

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    Crankshafts

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    Cam Gears

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    Rod Bearings

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    Engine Assembly Lube and Sealants

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    Long Blocks

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    Piston Rings and Clips

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    Tensioners & Idlers

    Shop 2005 Subaru Impreza featured products

    127 Results

    GSC Power-Division Stainless Steel Exhaust Valves +1mm - 2002-2014 Subaru WRX / 2004-2021 STI

    9 In Stock

    2013-8

    GSC Power-Division Stainless Steel Exhaust Valves +1mm - 2002-2014 Subaru WRX / 2004-2021 STI

    $147.73
    Company23 Small Idler Longer Pulley Bolt - Subaru DOHC EJ Turbo Models (inc. 2015-2021 STI / 2004-2012 Forester / 2003-2014 Impreza)

    583

    Company23 Small Idler Longer Pulley Bolt - Subaru DOHC EJ Turbo Models (inc. 2015-2021 STI / 2004-2012 Forester / 2003-2014 Impreza)

    $5.38
    Tomei Head Gaskets 101.0 Bore 1.5MM Thickness - Subaru Models (Inc. 2006-2014 Subaru WRX / 2004-2021 STI)

    TA4070-SB02D

    Tomei Head Gaskets 101.0 Bore 1.5MM Thickness - Subaru Models (Inc. 2006-2014 Subaru WRX / 2004-2021 STI)

    $120.00
    Manley Economical H Beam Steel Connecting Rod - Subaru Models (inc. 2002-2005 Subaru WRX / 2004-2021 Subaru STI)

    14024-4

    Manley Economical H Beam Steel Connecting Rod - Subaru Models (inc. 2002-2005 Subaru WRX / 2004-2021 Subaru STI)

    $518.00
    IAG Performance V2 Competition Series EJ Timing Belt Tensioner - 2015-2021 Subaru STI

    IAG-ENG-5111BK

    IAG Performance V2 Competition Series EJ Timing Belt Tensioner - 2015-2021 Subaru STI

    $589.99
    Gates Timing Belt Kit - 2015-2021 Subaru STI

    4 In Stock

    TCK328

    Gates Timing Belt Kit - 2015-2021 Subaru STI

    $489.99
    IAG Performance Adjustable Timing Idler Kit - 2015-2021 Subaru STI / 2004-2013 Forester / 2002-2014 Impreza

    IAG-ENG-5120

    IAG Performance Adjustable Timing Idler Kit - 2015-2021 Subaru STI / 2004-2013 Forester / 2002-2014 Impreza

    $199.99
    IAG 550 Street Cylinder Heads Package - V25 Heads (No Cams & Lifters / No Chamber Mods) - 2004-2007 Subaru STI / 2004-2005 Forester XT / 2005-2009 Legacy GT

    IAG-ENG-H550VE

    IAG 550 Street Cylinder Heads Package - V25 Heads (No Cams & Lifters / No Chamber Mods) - 2004-2007 Subaru STI / 2004-2005 Forester XT / 2005-2009 Legacy GT

    $3,399.99
    Mahle Valve Cover Full Set - Subaru Models (inc. 2004-2014 Subaru STI / 2006-2014 WRX / 2004-2013 Forester)

    5 In Stock

    VS50465

    Mahle Valve Cover Full Set - Subaru Models (inc. 2004-2014 Subaru STI / 2006-2014 WRX / 2004-2013 Forester)

    $99.66
    Victor Reinz Engine Valve Cover Gasket Set - Subaru Models (Inc. 2013-2014 WRX / 2013-2021 WRX STI / 2004-2013 Forester)

    15 In Stock

    15-10874-01

    Victor Reinz Engine Valve Cover Gasket Set - Subaru Models (Inc. 2013-2014 WRX / 2013-2021 WRX STI / 2004-2013 Forester)

    $54.28
    Brian Crower Stage 2 272 Camshafts - 2004-2007 Subaru STI

    6 In Stock

    BC0621

    Brian Crower Stage 2 272 Camshafts - 2004-2007 Subaru STI

    $965.00
    Subaru OEM Forged Salt Bath Nitrated Crankshaft - 2006-2014 Subaru WRX / 2004-2021 Subaru STI

    12200AA430

    Subaru OEM Forged Salt Bath Nitrated Crankshaft - 2006-2014 Subaru WRX / 2004-2021 Subaru STI

    $531.49
    Cometic Head Gasket MLS 100MM .040 - 2004-2007 Subaru STI / 2006-2014 WRX

    C4264-040

    Cometic Head Gasket MLS 100MM .040 - 2004-2007 Subaru STI / 2006-2014 WRX

    $51.84
    Gates Racing Timing Belt Kit w/ Water Pump - 2015-2021 Subaru STI

    1 In Stock

    TCKWP328RB

    Gates Racing Timing Belt Kit w/ Water Pump - 2015-2021 Subaru STI

    $480.30
    Company23 EJ Oil Pump Seal Install Tool - 2002-2014 Subaru WRX / 2004-2021 Subaru STI

    552

    Company23 EJ Oil Pump Seal Install Tool - 2002-2014 Subaru WRX / 2004-2021 Subaru STI

    $49.95
    Brian Crower Stage 3 280 Camshafts - 2004-2007 Subaru STI

    3 In Stock

    BC0622

    Brian Crower Stage 3 280 Camshafts - 2004-2007 Subaru STI

    $965.00
    Brian Crower Single Spring/Titanium Retainer Kit - 2006-2014 Subaru WRX / 2004-2021 STI

    12 In Stock

    BC0600

    Brian Crower Single Spring/Titanium Retainer Kit - 2006-2014 Subaru WRX / 2004-2021 STI

    $343.28
    FactionFab Timing Belt Guide - Subaru Models (inc. 2015-2021 STI / 2004-2012 Forester / 2002-2014 Impreza / 2005-2012 Legacy / 2005-2009 Outback)

    7 In Stock

    1.10002.1

    FactionFab Timing Belt Guide - Subaru Models (inc. 2015-2021 STI / 2004-2012 Forester / 2002-2014 Impreza / 2005-2012 Legacy / 2005-2009 Outback)

    $45.00
    GrimmSpeed Head Gasket Set [1.5mm] - 2004-2007 Subaru STI / 2008-2014 WRX / 2004-2008 Forester XT / 2005-2009 Legacy GT [EJ25 SAVCS]

    14 In Stock

    GrimmSpeed Head Gasket Set [1.5mm] - 2004-2007 Subaru STI / 2008-2014 WRX / 2004-2008 Forester XT / 2005-2009 Legacy GT [EJ25 SAVCS]

    $146.00
    Manley Performance Platinum Series Piston Set 99.75mm 9.8:1 - Subaru Models (inc. 2006-2014 Subaru WRX / 2004-2021 Subaru STI)

    5 In Stock

    612102C-4

    Manley Performance Platinum Series Piston Set 99.75mm 9.8:1 - Subaru Models (inc. 2006-2014 Subaru WRX / 2004-2021 Subaru STI)

    $699.23

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