2004 Subaru Impreza Motor Builds Upgrades

    Shop 2004 Subaru Impreza Motor Builds Upgrades by Category

    Shop 2004 Subaru Impreza featured products

    110 Results

    Manley Performance Turbo Tuff Series Crankshaft 79mm Subaru EJ25 Models  - Subaru Models (inc. 2006-2014 Subaru WRX / 2004-2021 Subaru STI)

    1 In Stock

    190040B

    Manley Performance Turbo Tuff Series Crankshaft 79mm Subaru EJ25 Models - Subaru Models (inc. 2006-2014 Subaru WRX / 2004-2021 Subaru STI)

    $1,954.24
    Tomei Adjustable Cam Gear Exhaust LH Single AVCS - Subaru Single AVCS Motors (inc. 2004-2007 STI / 2006-2014 WRX)

    TA302F-SB01A

    Tomei Adjustable Cam Gear Exhaust LH Single AVCS - Subaru Single AVCS Motors (inc. 2004-2007 STI / 2006-2014 WRX)

    $190.00
    Darton Iron Dry Sleeves - Subaru EJ25 Models (inc. 2004-2021 STI)

    300-031-3D

    Darton Iron Dry Sleeves - Subaru EJ25 Models (inc. 2004-2021 STI)

    $683.48
    Gates Timing Belt Kit w/ Water Pump  - 2015-2021 Subaru STI

    23 In Stock

    TCKWP328

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

    $1,188.70
    IAG Wrist Pin / Cover Seal Kit for Subaru EJ25 Short Blocks - 2010-2021 Subaru WRX / STI / 2008-2014 Forester / Legacy / Outback / 2002-2014 Impreza

    IAG-ENG-1720

    IAG Wrist Pin / Cover Seal Kit for Subaru EJ25 Short Blocks - 2010-2021 Subaru WRX / STI / 2008-2014 Forester / Legacy / Outback / 2002-2014 Impreza

    $127.49
    Brian Crower Valve Springs - Single - 2004-2021 Subaru STI / 2002-2005 WRX

    8 In Stock

    BC1600

    Brian Crower Valve Springs - Single - 2004-2021 Subaru STI / 2002-2005 WRX

    $96.00
    Tomei Head Gasket 101.0mm 1.0mm - Subaru Models (Inc. 2006-2014 WRX / 2004-2021 STI)

    TA4070-SB02B

    Tomei Head Gasket 101.0mm 1.0mm - Subaru Models (Inc. 2006-2014 WRX / 2004-2021 STI)

    $120.00
    ACL Race Rod Bearings Standard Size Subaru EJ Models - 2015-2021 Subaru STI / 2000-2013 Forester / 1993-2014 Impreza

    100 In Stock

    4B8296H-STD

    ACL Race Rod Bearings Standard Size Subaru EJ Models - 2015-2021 Subaru STI / 2000-2013 Forester / 1993-2014 Impreza

    $61.33
    GSC Power-Division Super Alloy Exhaust Valves 32mm - 2002-2014 Subaru WRX / 2004-2021 STI

    16 In Stock

    2015-8

    GSC Power-Division Super Alloy Exhaust Valves 32mm - 2002-2014 Subaru WRX / 2004-2021 STI

    $261.88
    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
    Company23 DOHC Timing Belt Kit - 2002-2014 Subaru WRX / 2004-2011 STI / 2005-2009 Outback XT

    575

    Company23 DOHC Timing Belt Kit - 2002-2014 Subaru WRX / 2004-2011 STI / 2005-2009 Outback XT

    $299.95
    Gates Timing Belt - 2002-2014 Subaru WRX / 2004-2021 STI

    10 In Stock

    T328

    Gates Timing Belt - 2002-2014 Subaru WRX / 2004-2021 STI

    $258.23
    GSC Power-Division Stainless Steel Exhaust Valves 32mm - 2002-2014 Subaru WRX / 2004-2021 STI

    8 In Stock

    2011-8

    GSC Power-Division Stainless Steel Exhaust Valves 32mm - 2002-2014 Subaru WRX / 2004-2021 STI

    $149.11
    Brian Crower Adjustable Cam Gears - 2002-2005 Subaru WRX  / 2004-2007 STI

    6 In Stock

    BC8860

    Brian Crower Adjustable Cam Gears - 2002-2005 Subaru WRX / 2004-2007 STI

    $844.00
    GrimmSpeed Blow Off Valve Flange Gasket  - 2015-2021 Subaru STI

    47 In Stock

    020023

    GrimmSpeed Blow Off Valve Flange Gasket - 2015-2021 Subaru STI

    5.0(1)
    $15.00
    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
    King Engine Bearings Standard Connecting Rod Bearing Set pMax Coated  - 2002-2014 Subaru WRX / 2004-2021 STI

    29 In Stock

    CR4125XPGC

    King Engine Bearings Standard Connecting Rod Bearing Set pMax Coated - 2002-2014 Subaru WRX / 2004-2021 STI

    $119.50
    Company23 Timing Belt Guide Kit - 2015-2021 Subaru STI / 2004-2013 Forester / 2002-2014 Impreza

    520

    Company23 Timing Belt Guide Kit - 2015-2021 Subaru STI / 2004-2013 Forester / 2002-2014 Impreza

    $60.45
    Mahle Complete Engine Gasket Kit - 2004-2006 Subaru STI / 2004-2005 Forester

    HS55016C

    Mahle Complete Engine Gasket Kit - 2004-2006 Subaru STI / 2004-2005 Forester

    $395.36
    Tomei Procam Camshaft Set 272 Single AVCS - 2004-2007 Subaru WRX / STI

    TA301A-SB02B

    Tomei Procam Camshaft Set 272 Single AVCS - 2004-2007 Subaru WRX / STI

    $880.00

    Page 1 of 6

    110% Price Match Guarantee*

    Find the same product for less on any competitor's site, and we'll match that price and beat if by 10% of the difference!* 

    Free Shipping*

    Free shipping is available within the lower 48 states for orders totalling $199 or more. Simply select the free shipping option during checkout.
    *Exclusions apply

    30 Day, 100% Satisfaction

    SubiSpeed Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.