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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    Timing Belts

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    Short Blocks

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    Long Blocks

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    Valve Springs

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    Head Gaskets

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    Rods

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    Pistons and Sleeves

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    Timing Belt Components

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    Valvetrain Components

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    Main Bearings

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    Gaskets

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    Rod Bearings

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    Tools and Accessories

    Shop 2020 Subaru Wrx-sti featured products

    129 Results

    GSC Power-Division Single Valve Spring Set w/ Titanium Retainers - 2015-2021 Subaru STI

    5743

    GSC Power-Division Single Valve Spring Set w/ Titanium Retainers - 2015-2021 Subaru STI

    $282.46
    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
    Company23 EJ DOHC Cam Seal Install Tool - 2002-2014 Subaru WRX / 2004-2021 Subaru STI

    553

    Company23 EJ DOHC Cam Seal Install Tool - 2002-2014 Subaru WRX / 2004-2021 Subaru STI

    5.0(1)
    $49.95
    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 V2 Timing Belt Guide - 2015-2021 Subaru STI / 2004-2013 Forester / 2002-2014 Impreza

    IAG-ENG-5101BK

    IAG V2 Timing Belt Guide - 2015-2021 Subaru STI / 2004-2013 Forester / 2002-2014 Impreza

    $59.99
    ARP Fasteners Head Stud Kit 11mm - 2004-2021 Subaru STI / 2002-2014 WRX

    49 In Stock

    260-4701

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

    $303.53
    GrimmSpeed Lightweight Crank Pulley (Black) - 2002-2014 Subaru WRX / 2004-2021 Subaru STI

    16 In Stock

    095015BK

    GrimmSpeed Lightweight Crank Pulley (Black) - 2002-2014 Subaru WRX / 2004-2021 Subaru STI

    $135.00
    GSC Power-Division Super Alloy Exhaust Valves 32mm - 2002-2014 Subaru WRX / 2004-2021 STI

    9 In Stock

    2015-8

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

    $261.88
    ACL Race Main Bearings Undersized -.020in - 2015-2021 Subaru STI / 1998-2013 Forester / 1993-2014 Impreza

    5 In Stock

    5M8309H-.50

    ACL Race Main Bearings Undersized -.020in - 2015-2021 Subaru STI / 1998-2013 Forester / 1993-2014 Impreza

    $76.86
    Grimmspeed Turbo to Downpipe Gasket - 2015-2021 Subaru WRX / 2013-2017 Scion FR-S / 2013-2020 Subaru BRZ / 2017-2021 Toyota 86

    47 In Stock

    Grimmspeed Turbo to Downpipe Gasket - 2015-2021 Subaru WRX / 2013-2017 Scion FR-S / 2013-2020 Subaru BRZ / 2017-2021 Toyota 86

    $31.00
    Dress Up Bolts Titanium Hardware Trunk Kit (Gold) - 2015-2021 Subaru WRX / STI

    SUB-019-TI-GLD

    Dress Up Bolts Titanium Hardware Trunk Kit (Gold) - 2015-2021 Subaru WRX / STI

    $59.39
    Tomei Poncam Camshafts - 2008-2021 Subaru STI

    TA301A-SB02C

    Tomei Poncam Camshafts - 2008-2021 Subaru STI

    $880.00
    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
    GSC Power-Division Stainless Steel Exhaust Valves +1mm - 2002-2014 Subaru WRX / 2004-2021 STI

    12 In Stock

    2013-8

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

    $147.73
    PERRIN Lightweight Crank Pulley for FA/FB Engines with Large Hub (Black) - Subaru Models (Inc. 2015-2024 Subaru WRX / 2015-2021 STI / 2014-2024 Forester / 2013-2024 BRZ / 2013-2016 Scion FR-S / 2022-2024 Toyota GR86)

    25 In Stock

    PSP-ENG-104BK

    PERRIN Lightweight Crank Pulley for FA/FB Engines with Large Hub (Black) - Subaru Models (Inc. 2015-2024 Subaru WRX / 2015-2021 STI / 2014-2024 Forester / 2013-2024 BRZ / 2013-2016 Scion FR-S / 2022-2024 Toyota GR86)

    $183.60
    Gates Racing Timing Belt - 2015-2021 Subaru STI

    30 In Stock

    T328RB

    Gates Racing Timing Belt - 2015-2021 Subaru STI

    $185.35
    Manley Performance Platinum Series Piston Set 100mm 8.5:1 - Subaru Models (inc. 2006-2014 Subaru WRX / 2004-2021 Subaru STI)

    3 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
    Manley Performance Pro Series Turbo Tuff I-Beam Connecting Rod Set - Subaru Models (inc. 2002-2005 Subaru WRX / 2004-2021 Subaru STI)

    8 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 Forged Connecting Rods - Subaru Models (Inc. 2002-2014 Subaru WRX / 2004-2021 STI)

    TA203A-SB01A

    Tomei Forged Connecting Rods - Subaru Models (Inc. 2002-2014 Subaru WRX / 2004-2021 STI)

    $720.00
    King Engine Bearings Standard Connecting Rod Bearing Set Subaru EJ Models - 2002-2014 Subaru WRX / 2004-2021 STI

    100 In Stock

    CR4125XPG

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

    5.0(1)
    $65.75

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