2020 Subaru Wrx-sti Motor Builds Upgrades

    WRX STI Upgrades by WRX STI Experts. 

    Shop 2020 Subaru Wrx-sti Motor Builds Upgrades by Category

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    Engine Hardware and Fittings

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    Cams

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    Pulleys

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    Short Blocks

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    Timing Belts

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    Pistons and Sleeves

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    Head Gaskets

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    Rods

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    Valve Springs

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    Main Bearings

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    Timing Belt Components

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    Valvetrain Components

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    Rod Bearings

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    Gaskets

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    Long Blocks

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    Tools and Accessories

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    Crankshafts

    Shop 2020 Subaru Wrx-sti featured products

    137 Results

    Manley Performance Platinum Series Piston Set 100mm 8.5:1 - Subaru Models (inc. 2006-2014 Subaru WRX / 2004-2021 Subaru STI)

    9 In Stock

    612005C-4

    Manley Performance Platinum Series Piston Set 100mm 8.5:1 - Subaru Models (inc. 2006-2014 Subaru WRX / 2004-2021 Subaru STI)

    $699.23
    GrimmSpeed Blow Off Valve Flange Gasket - 2015-2021 Subaru STI

    50 In Stock

    020023

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

    5.0(1)
    $14.00
    GSC Power-Division Stainless Steel Intake Valves 36mm - 2015-2021 Subaru STI

    100 In Stock

    2012-8

    GSC Power-Division Stainless Steel Intake Valves 36mm - 2015-2021 Subaru STI

    $146.35
    IAG Wrist Pin / Cover Seal Kit for Subaru EJ25 Short Blocks - 2010-2021 Subaru WRX / STI / 2008-2014 Forester / Legacy / Outback / 2002-2014 Impreza

    1 In Stock

    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

    $149.99
    Company23 EJ Rear Main Seal Install Tool - 2002-2014 Subaru WRX / 2004-2021 Subaru STI

    2 In Stock

    551

    Company23 EJ Rear Main Seal Install Tool - 2002-2014 Subaru WRX / 2004-2021 Subaru STI

    $49.95
    Manley Performance Pro Series Turbo Tuff I-Beam Connecting Rod Set - Subaru Models (inc. 2002-2005 Subaru WRX / 2004-2021 Subaru STI)

    14 In Stock

    14416R6-4

    Manley Performance Pro Series Turbo Tuff I-Beam Connecting Rod Set - Subaru Models (inc. 2002-2005 Subaru WRX / 2004-2021 Subaru STI)

    $1,319.86
    Tomei Head Gasket 101.0mm 1.0mm - Subaru Models (Inc. 2006-2014 WRX / 2004-2021 STI)

    1 In Stock

    TA4070-SB02B

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

    $142.75
    Gates Timing Belt Kit - 2015-2021 Subaru STI

    12 In Stock

    TCK328

    Gates Timing Belt Kit - 2015-2021 Subaru STI

    $329.63
    Kelford High Performance Spring and Retainer Set - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    KVS1847-BT

    Kelford High Performance Spring and Retainer Set - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    $470.25
    Brian Crower ProH2K Connecting Rods Subaru for EJ Models - 2015-2021 Subaru STI / 1998-2013 Forester / 1993-2014 Impreza

    8 In Stock

    BC6609

    Brian Crower ProH2K Connecting Rods Subaru for EJ Models - 2015-2021 Subaru STI / 1998-2013 Forester / 1993-2014 Impreza

    $626.00
    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
    Dress Up Bolts Stage 2 Titanium Hardware Engine Kit for EJ257 Engine (Polished) - 2015-2021 Subaru STI

    SUB-017-TI-POL

    Dress Up Bolts Stage 2 Titanium Hardware Engine Kit for EJ257 Engine (Polished) - 2015-2021 Subaru STI

    $203.93
    ARP Fasteners Head Stud Kit 11mm - 2004-2021 Subaru STI / 2002-2014 WRX

    115 In Stock

    260-4701

    ARP Fasteners Head Stud Kit 11mm - 2004-2021 Subaru STI / 2002-2014 WRX

    $303.53
    Subaru OEM STI Type RA Short Block - 2018 Subaru Type RA / 2019-2021 STI

    10103AD020

    Subaru OEM STI Type RA Short Block - 2018 Subaru Type RA / 2019-2021 STI

    5.0(1)
    $3,013.63
    Dress Up Bolts Titanium Hardware Intercooler Kit for EJ257 Engine (Black) - 2015-2021 Subaru STI

    SUB-018-TI-BLK

    Dress Up Bolts Titanium Hardware Intercooler Kit for EJ257 Engine (Black) - 2015-2021 Subaru STI

    $69.29
    Dress Up Bolts Stage 1 Titanium Hardware Engine Bay Kit (Blue) - 2015-2021 Subaru WRX

    SUB-009-TI-BLU

    Dress Up Bolts Stage 1 Titanium Hardware Engine Bay Kit (Blue) - 2015-2021 Subaru WRX

    $222.74
    Subaru FLANGE BOLT - 2015-2021 Subaru WRX / STI / 2013-2020 BRZ / Impreza / 2014-2020 Forester / 2016-2020 Crosstrek / 2019-2020 Ascent

    901000000

    Subaru FLANGE BOLT - 2015-2021 Subaru WRX / STI / 2013-2020 BRZ / Impreza / 2014-2020 Forester / 2016-2020 Crosstrek / 2019-2020 Ascent

    $1.28
    GSC Power-Division Intake Valve Guides Stopper Style - 2002-2014 Subaru WRX / 2004-2021 STI

    9 In Stock

    3026-8

    GSC Power-Division Intake Valve Guides Stopper Style - 2002-2014 Subaru WRX / 2004-2021 STI

    $43.93
    Manley Performance Platinum Series Piston Set 99.5mm 8.5:1 - Subaru Models (inc. 2006-2014 Subaru WRX / 2004-2021 Subaru STI)

    5 In Stock

    612000C-4

    Manley Performance Platinum Series Piston Set 99.5mm 8.5:1 - Subaru Models (inc. 2006-2014 Subaru WRX / 2004-2021 Subaru STI)

    $699.23
    Torque Solution HD Cam Bolt Kit - 2015-2021 Subaru STI / 2008-2014 Impreza

    9 In Stock

    TS-SU-626-4

    Torque Solution HD Cam Bolt Kit - 2015-2021 Subaru STI / 2008-2014 Impreza

    $64.43

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