See only parts compatible with your vehicle

    Main Bearings

    RallySport Direct carries a large selection of main bearings for those who are going to rebuild their motor. You can choose from a variety of sizes that include standard, stock, or oversized. Choose from great manufacturers that include the likes of Cosworth, King Engine Bearings, and ACL bearings for your Subaru WRX and STI and more. All three brands offer great bearings that can sustain engines designed to rev high and create lots of power. you can also choose bearings that have the option of anti-friction coating. A good set of main bearings is crucial to a new engine build and should never be overlooked.

    Make sure when planning your engine build, that you check out our great selection of pistons and sleeves, rod bearings, and seals. 

    Shop featured products

    45 Results

    ACL Main Bearings Standard Size - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    16 In Stock

    5M8309A-STD

    ACL Main Bearings Standard Size - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    5.0(1)
    $52.65
    ACL Race Main Bearings Standard Size - Subaru Models (inc. 2002-2014 WRX / 2004+ STI)

    5M8309H-STD

    ACL Race Main Bearings Standard Size - Subaru Models (inc. 2002-2014 WRX / 2004+ STI)

    5.0(4)
    $134.67
    ACL Race Main Bearings Undersized -.020in - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    7 In Stock

    5M8309H-.50

    ACL Race Main Bearings Undersized -.020in - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    5.0(1)
    $134.67
    ACL Race Main Bearings Undersized -.010in - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    4 In Stock

    5M8309H-.25

    ACL Race Main Bearings Undersized -.010in - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    3.0(1)
    $134.67
    ACL Race Main Bearings Standard Size - Mitsubishi 4G63 Models (inc. 1990-1992 Eclipse Turbo)

    6 In Stock

    5M1144H-STD

    ACL Race Main Bearings Standard Size - Mitsubishi 4G63 Models (inc. 1990-1992 Eclipse Turbo)

    $88.21
    King Engine Bearings Undersized Crank Main Bearing Set -.010in - Ford 3.5L Ecoboost Models (Inc. Taurus SHO 2010+)

    2 In Stock

    MB4539XP0.25

    King Engine Bearings Undersized Crank Main Bearing Set -.010in - Ford 3.5L Ecoboost Models (Inc. Taurus SHO 2010+)

    $104.55
    ACL Race Main Bearings Oversized +.001in - Toyota 2JZ-GE/2JZ-GTE (inc. 1993-1998 Toyota Supra / 2001-2005 Lexus IS300)

    7M8103HX-STD

    ACL Race Main Bearings Oversized +.001in - Toyota 2JZ-GE/2JZ-GTE (inc. 1993-1998 Toyota Supra / 2001-2005 Lexus IS300)

    $173.70
    King Engine Bearings Standard Crank Main Bearing Set pMax Coated - Subaru EJ Models (inc. 2002-2014 WRX / 2004-2021 STI)

    24 In Stock

    MB5382XPGC

    King Engine Bearings Standard Crank Main Bearing Set pMax Coated - Subaru EJ Models (inc. 2002-2014 WRX / 2004-2021 STI)

    $250.00
    Clevite Undersized Main Bearing Set -.020in - Subaru Models (inc. 2015-2021 STI / 1998-2010 Forester)

    MS2258A50MM

    Clevite Undersized Main Bearing Set -.020in - Subaru Models (inc. 2015-2021 STI / 1998-2010 Forester)

    $102.77
    Clevite Standard Main Bearing Set - Subaru EJ Models (inc. 2002-2014 WRX / 2004-2021 STI)

    MS2258H

    Clevite Standard Main Bearing Set - Subaru EJ Models (inc. 2002-2014 WRX / 2004-2021 STI)

    $203.19
    ACL Race Main Bearings Oversized +.001in - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    10 In Stock

    5M8309HX-STD

    ACL Race Main Bearings Oversized +.001in - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    $134.67
    King Engine Bearings Undersized Crank Main Bearing -.010in - Subaru EJ Models (inc. 2002-2014 WRX / 2004+ STI)

    12 In Stock

    MB5382XPG0.25

    King Engine Bearings Undersized Crank Main Bearing -.010in - Subaru EJ Models (inc. 2002-2014 WRX / 2004+ STI)

    $137.75
    ACL Main Bearings Undersized -.010in - Subaru Models (inc. 1993-1999 Subaru Impreza / 1990-1999 Legacy)

    5M8297A-.25

    ACL Main Bearings Undersized -.010in - Subaru Models (inc. 1993-1999 Subaru Impreza / 1990-1999 Legacy)

    $21.04
    ACL Race Main Bearings Oversized +.001in - Subaru Models (inc. 1993-1999 Impreza / 1990-1999 Legacy)

    4 In Stock

    5M8297HX-STD

    ACL Race Main Bearings Oversized +.001in - Subaru Models (inc. 1993-1999 Impreza / 1990-1999 Legacy)

    $72.36
    King Engine Bearings Oversized Crank Main Bearing Set +.001in - Subaru EJ Models (inc. 2002-2014 WRX / 2004-2021 STI)

    2 In Stock

    MB5382XPG STDX

    King Engine Bearings Oversized Crank Main Bearing Set +.001in - Subaru EJ Models (inc. 2002-2014 WRX / 2004-2021 STI)

    $137.75
    King Engine Bearings Standard Crank Main Bearing Set - 2013-2021 Scion FR-S / Subaru BRZ / Toyota 86

    23 In Stock

    MB5745XPGC

    King Engine Bearings Standard Crank Main Bearing Set - 2013-2021 Scion FR-S / Subaru BRZ / Toyota 86

    $327.79
    King Engine Bearings Oversized Crank Main Bearing Set +.001in pMax Coated - 2013-2021 Scion FR-S / Subaru BRZ / Toyota 86

    12 In Stock

    MB5745XPGCSTDX

    King Engine Bearings Oversized Crank Main Bearing Set +.001in pMax Coated - 2013-2021 Scion FR-S / Subaru BRZ / Toyota 86

    $344.18
    ACL Race Main Bearings Standard Size - Mitsubishi 4G63/4G64 models (inc. 1993-1997 Eclipse Turbo)

    5M1186H-STD

    ACL Race Main Bearings Standard Size - Mitsubishi 4G63/4G64 models (inc. 1993-1997 Eclipse Turbo)

    $78.47
    King Engine Bearings Crankshaft Main Bearings Subaru FA/FB - Subaru Models (inc. 2013-2020 BRZ)

    13 In Stock

    MB5745SI

    King Engine Bearings Crankshaft Main Bearings Subaru FA/FB - Subaru Models (inc. 2013-2020 BRZ)

    $164.75
    ACL Race Main Bearings Oversized +.001in - Nissan VQ35DE Models (inc. 2003-2006 350Z)

    2 In Stock

    4M2633HX-STD

    ACL Race Main Bearings Oversized +.001in - Nissan VQ35DE Models (inc. 2003-2006 350Z)

    $75.38

    Page 1 of 3

    Best Sellers

    Invidia N1 Dual Exit Cat Back Exhaust - Titanium Tips - 2008-2014 Subaru STI Hatchback / 2011-2014 WRX Hatchback

    10 In Stock

    HS08STIGTT

    Invidia N1 Dual Exit Cat Back Exhaust - Titanium Tips - 2008-2014 Subaru STI Hatchback / 2011-2014 WRX Hatchback

    4.8(33)
    $1,308.30
    Invidia Q300 Quad Tipped Cat Back Exhaust - Stainless Tips - 2011-2014 Subaru WRX/STI Sedan

    HS11STIG3S

    Invidia Q300 Quad Tipped Cat Back Exhaust - Stainless Tips - 2011-2014 Subaru WRX/STI Sedan

    4.5(31)
    $1,736.56
    Subaru OEM Cabin Filter - 2008-2021 Subaru STI / WRX / 2008-2014 Forester

    72880FG000

    Subaru OEM Cabin Filter - 2008-2021 Subaru STI / WRX / 2008-2014 Forester

    5.0(20)
    $27.45
    GrimmSpeed Radiator Shroud w/ Tool Tray Black - 2002-2007 Subaru WRX/STI

    6 In Stock

    096005

    GrimmSpeed Radiator Shroud w/ Tool Tray Black - 2002-2007 Subaru WRX/STI

    4.6(11)
    $62.00
    PERRIN Master Cylinder Brace Red - Subaru Models (inc. 2008-2014 WRX)

    PSP-BRK-402RD

    PERRIN Master Cylinder Brace Red - Subaru Models (inc. 2008-2014 WRX)

    4.5(8)
    $147.90
    APR Performance Carbon Fiber License Plate Frame - 2008-2014 Subaru WRX Sedan / 2011-2014 STI Sedan

    1 In Stock

    CBX-WRXLIC11

    APR Performance Carbon Fiber License Plate Frame - 2008-2014 Subaru WRX Sedan / 2011-2014 STI Sedan

    4.3(8)
    $189.60
    COBB Tuning Delrin Shift Knob White/Black 5MT - Subaru 5MT Models (inc. 2002-2014 WRX)

    13 In Stock

    211350-W-BK

    COBB Tuning Delrin Shift Knob White/Black 5MT - Subaru 5MT Models (inc. 2002-2014 WRX)

    4.8(6)
    $99.00
    ProSport JDM Electric Dual Display Boost Gauge w/Waterproof Sender - Universal

    216JDMBO-R.PSI

    ProSport JDM Electric Dual Display Boost Gauge w/Waterproof Sender - Universal

    4.7(6)
    $107.10
    Rally Armor UR Mudflaps Black Urethane White Logo - 2010-2013 Mazdaspeed3

    1 In Stock

    RAL MF17-UR-BLK/WH

    Rally Armor UR Mudflaps Black Urethane White Logo - 2010-2013 Mazdaspeed3

    5.0(4)
    $143.00
    Invidia Q300 Single Exit Cat Back Exhaust - Stainless Steel Tip - 2008-2010 Subaru WRX Sedan

    HS08SW4G3S

    Invidia Q300 Single Exit Cat Back Exhaust - Stainless Steel Tip - 2008-2010 Subaru WRX Sedan

    4.8(4)
    $1,166.20

    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

    RallySport 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.