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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    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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    Gaskets

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    Rod Bearings

    Shop 2020 Subaru Wrx-sti featured products

    129 Results

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

    BC6609

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

    $626.00
    PERRIN Lightweight Crank Pulley - Red - Subaru Models (inc. 2015-2021 STI / 1998-2012 Forester / 1993-2014 Impreza / 1993-2009 Legacy)

    46 In Stock

    PSP-ENG-100RD

    PERRIN Lightweight Crank Pulley - Red - Subaru Models (inc. 2015-2021 STI / 1998-2012 Forester / 1993-2014 Impreza / 1993-2009 Legacy)

    4.0(1)
    $125.00
    Manley Performance H-Plus Forged Connecting Rods - Subaru Models (inc. 2002-2005 Subaru WRX / 2004-2021 Subaru STI)

    4 In Stock

    15024R6-4

    Manley Performance H-Plus Forged Connecting Rods - Subaru Models (inc. 2002-2005 Subaru WRX / 2004-2021 Subaru STI)

    $909.79
    Manley Economical H Beam Steel Connecting Rod - Subaru Models (inc. 2002-2005 Subaru WRX / 2004-2021 Subaru STI)

    16 In Stock

    14024-4

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

    $518.00
    IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads & S3 Cams for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

    IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads & S3 Cams for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

    $22,849.98
    Dress Up Bolts Stage 2 Titanium Hardware Engine Kit for EJ257 Engine (Purple) - 2015-2021 Subaru STI

    SUB-017-TI-PRP

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

    $203.93
    ARP Fasteners Case Bolt Kit Subaru EJ Models - 2015-2021 Subaru STI / 1998-2012 Forester / 1993-2014 Impreza

    3 In Stock

    260-5401

    ARP Fasteners Case Bolt Kit Subaru EJ Models - 2015-2021 Subaru STI / 1998-2012 Forester / 1993-2014 Impreza

    $762.59
    GSC Power-Division Stainless Steel Exhaust Valves +1mm - 2002-2014 Subaru WRX / 2004-2021 STI

    11 In Stock

    2013-8

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

    $147.73
    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
    Manley Performance Race Master Stainless Steel Exhaust Valves - Subaru Models (inc. 2002-2005 Subaru WRX / 2004-2021 Subaru STI)

    11155-8

    Manley Performance Race Master Stainless Steel Exhaust Valves - Subaru Models (inc. 2002-2005 Subaru WRX / 2004-2021 Subaru STI)

    $201.09
    Torque Solution HD Cam Bolt Kit - 2015-2021 Subaru STI / 2008-2014 Impreza

    4 In Stock

    TS-SU-626-4

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

    $64.43
    GSC Power-Division Stainless Steel Intake Valves +1mm - 2002-2014 Subaru WRX / 2004-2021 STI

    9 In Stock

    2014-8

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

    $149.81
    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
    Wiseco Piston Set (99.5mm Bore 8.9:1 Compression) - 2006-2014 Subaru WRX / 2004-2021 Subaru STI

    5 In Stock

    K598M995AP

    Wiseco Piston Set (99.5mm Bore 8.9:1 Compression) - 2006-2014 Subaru WRX / 2004-2021 Subaru STI

    $815.99
    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
    IAG Performance ARP 1/2in Head Stud Set for Subaru EJ25 and FA20 DIT - 2015-2021 Subaru STI / 2004-2013 Forester / 2002-2014 Impreza

    IAG-ENG-1700

    IAG Performance ARP 1/2in Head Stud Set for Subaru EJ25 and FA20 DIT - 2015-2021 Subaru STI / 2004-2013 Forester / 2002-2014 Impreza

    $467.49
    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

    $54.95
    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
    GSC Power-Division Intake Valve Guides Stopper Style - 2002-2014 Subaru WRX / 2004-2021 STI

    30 In Stock

    3026-8

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

    $43.93
    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

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