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Performance Engine Bearings

Performance Engine Bearings

Performance Engine Bearings

Circle Track Engine Bearings at JJ Motorsports

Minimize friction and ensure smooth engine operation under high loads with high-quality engine bearings from JJ Motorsports. Essential for prolonging engine life, these bearings are compatible with Small Block Chevy, GM LS-Series, and Small Block Ford engines, offering coated options for enhanced performance in demanding circle track racing conditions.

Shop trusted brands like Sealed Power for standard chamfered sets, Clevite for H-Series coated mains, and King Bearings for extra clearance designs. Explore related categories such as Circle Track Engines and Components for complete engine upgrades or Circle Track Oiling Systems for lubrication enhancements.

Top Circle Track Engine Bearings

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Main Bearing Set  M77MS909H10

    Main Bearing Set MS-909H-10

    MICHIGAN 77

    $101.99
    A properly sized main bearing set is critical for engine longevity and reliable performance under load. The MS-909H-10 delivers precision-engineered tolerances that minimize friction, reduce wear,...
    M77MS909H10
    SKU:
    M77MS909H10
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    MFG Part #:
    MS909H10
    $101.99
    Qty in Cart: 0
    Quantity:
    Price:
    $101.99
    Subtotal:
  • Main Bearing Set  M77MS909H1

    Main Bearing Set MS-909H-1

    MICHIGAN 77

    $103.99
    A worn or improperly sized main bearing set will compromise your Small Block Chevy's reliability and power delivery—especially under boost or sustained high RPM operation. The MS-909H-1 delivers the...
    M77MS909H1
    SKU:
    M77MS909H1
    Availability:
    Ships Same Business Day
    Weight:
    1.26 LBS
    MFG Part #:
    MS909H1
    $103.99
    Qty in Cart: 0
    Quantity:
    Price:
    $103.99
    Subtotal:
  • Main Bearing Set  M77MS909H

    Main Bearing Set MS-909H

    MICHIGAN 77

    $88.99
    Main bearing wear is one of the most common failure points in high-mileage engines, directly affecting oil pressure, engine longevity, and overall performance. The MS-909H delivers factory-spec...
    M77MS909H
    SKU:
    M77MS909H
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    MFG Part #:
    MS909H
    $88.99
    Qty in Cart: 0
    Quantity:
    Price:
    $88.99
    Subtotal:
  • Main Bearing Set  M77MS590P30

    Main Bearing Set MS-590P-30

    MICHIGAN 77

    $34.99
    A properly sized main bearing set is the foundation of engine reliability and longevity. If you're rebuilding a Small Block Ford or have worn OEM bearings showing increased clearances, the MS-590P-30...
    M77MS590P30
    SKU:
    M77MS590P30
    Availability:
    Ships Same Business Day
    Weight:
    1.20 LBS
    MFG Part #:
    MS590P30
    $34.99
    Qty in Cart: 0
    Quantity:
    Price:
    $34.99
    Subtotal:
  • Main Bearing Set  M77MS590P20

    Main Bearing Set MS-590P-20

    MICHIGAN 77

    $88.99
    A properly sized main bearing set is critical to engine longevity and reliability—it directly impacts oil flow, reduces friction, and prevents catastrophic bearing failure under load. The MS-590P-20...
    M77MS590P20
    SKU:
    M77MS590P20
    Availability:
    Ships Same Business Day
    Weight:
    1.19 LBS
    MFG Part #:
    MS590P20
    $88.99
    Qty in Cart: 0
    Quantity:
    Price:
    $88.99
    Subtotal:
  • Main Bearing Set  M77MS590P10

    Main Bearing Set MS-590P-10

    MICHIGAN 77

    $88.99
    A properly fitted main bearing set is critical to engine block integrity and long-term reliability, especially in high-performance or rebuilt small block Ford engines. The MS-590P-10 delivers...
    M77MS590P10
    SKU:
    M77MS590P10
    Availability:
    Ships Same Business Day
    Weight:
    1.12 LBS
    MFG Part #:
    MS590P10
    $88.99
    Qty in Cart: 0
    Quantity:
    Price:
    $88.99
    Subtotal:
  • Main Bearing Set  M77MS590P

    Main Bearing Set MS-590P

    MICHIGAN 77

    $81.99
    A quality main bearing set is foundational to engine reliability and longevity, especially in high-performance and racing applications where loads are extreme. The MS-590P delivers OEM-grade...
    M77MS590P
    SKU:
    M77MS590P
    Availability:
    Ships Same Business Day
    Weight:
    1.09 LBS
    MFG Part #:
    MS590P
    $81.99
    Qty in Cart: 0
    Quantity:
    Price:
    $81.99
    Subtotal:
  • Main Bearing Set  M77MS590HX

    Main Bearing Set MS-590HX

    MICHIGAN 77

    $113.99
    A quality main bearing set is critical to engine longevity and reliability—especially in high-performance or high-mileage Small Block Ford engines. The MS-590HX delivers extra oil clearance to...
    M77MS590HX
    SKU:
    M77MS590HX
    Availability:
    Ships Same Business Day
    Weight:
    1.08 LBS
    MFG Part #:
    MS590HX
    $113.99
    Qty in Cart: 0
    Quantity:
    Price:
    $113.99
    Subtotal:
  • Main Bearing Set  M77MS590H10

    Main Bearing Set MS-590H-10

    MICHIGAN 77

    $119.99
    Main bearing clearance is critical to engine longevity—inadequate fit leads to accelerated wear, oil starvation, and catastrophic failure. The MS-590H-10 delivers precision-engineered geometry with a...
    M77MS590H10
    SKU:
    M77MS590H10
    Availability:
    Ships Same Business Day
    Weight:
    1.18 LBS
    MFG Part #:
    MS590H10
    $119.99
    Qty in Cart: 0
    Quantity:
    Price:
    $119.99
    Subtotal:
  • Main Bearing Set  M77MS590H1

    Main Bearing Set MS-590H-1

    MICHIGAN 77

    $114.99
    A quality main bearing set is foundational to engine reliability and longevity, especially in high-performance or rebuilt applications. The MS-590H-1 delivers precise tolerances and robust...
    M77MS590H1
    SKU:
    M77MS590H1
    Availability:
    Ships Same Business Day
    Weight:
    1.13 LBS
    MFG Part #:
    MS590H1
    $114.99
    Qty in Cart: 0
    Quantity:
    Price:
    $114.99
    Subtotal:
  • Main Bearing Set  M77MS590H

    Main Bearing Set MS-590H

    MICHIGAN 77

    $97.99
    Main bearing wear is one of the most common failure points in high-mileage Small Block Ford engines, directly impacting oil pressure, engine longevity, and overall reliability. The MS-590H delivers...
    M77MS590H
    SKU:
    M77MS590H
    Availability:
    Ships Same Business Day
    Weight:
    1.12 LBS
    MFG Part #:
    MS590H
    $97.99
    Qty in Cart: 0
    Quantity:
    Price:
    $97.99
    Subtotal:
  • Main Bearing Set  M77MS429P30

    Main Bearing Set MS-429P-30

    MICHIGAN 77

    $81.99
    A proper main bearing set is critical to engine longevity and reliable power delivery—worn or incorrectly sized bearings lead to catastrophic failure. The MS-429P-30 delivers precise fitment for...
    M77MS429P30
    SKU:
    M77MS429P30
    Availability:
    Ships Same Business Day
    Weight:
    1.28 LBS
    MFG Part #:
    MS429P30
    $81.99
    Qty in Cart: 0
    Quantity:
    Price:
    $81.99
    Subtotal:
  • Main Bearing Set  M77MS429P20

    Main Bearing Set MS-429P-20

    MICHIGAN 77

    $102.99
    Proper main bearing clearance is critical to engine longevity and reliability—undersized bearings compensate for wear and allow you to recondition your Small Block Chevy without expensive block...
    M77MS429P20
    SKU:
    M77MS429P20
    Availability:
    Ships Same Business Day
    Weight:
    1.23 LBS
    MFG Part #:
    MS429P20
    $102.99
    Qty in Cart: 0
    Quantity:
    Price:
    $102.99
    Subtotal:
  • Main Bearing Set  M77MS429P10

    Main Bearing Set MS-429P-10

    MICHIGAN 77

    $104.99
    A worn or damaged main bearing set will compromise your engine's reliability and performance—this is non-negotiable in high-performance applications. The MS-429P-10 is engineered to exacting...
    M77MS429P10
    SKU:
    M77MS429P10
    Availability:
    Ships Same Business Day
    Weight:
    1.18 LBS
    MFG Part #:
    MS429P10
    $104.99
    Qty in Cart: 0
    Quantity:
    Price:
    $104.99
    Subtotal:
  • Main Bearing Set  M77MS429P

    Main Bearing Set MS-429P

    MICHIGAN 77

    $77.99
    Main bearing wear is one of the fastest ways to compromise engine longevity and performance—especially under high RPM or boost conditions. The MS-429P delivers OEM-quality construction with tight...
    M77MS429P
    SKU:
    M77MS429P
    Availability:
    Ships Same Business Day
    Weight:
    1.13 LBS
    MFG Part #:
    MS429P
    $77.99
    Qty in Cart: 0
    Quantity:
    Price:
    $77.99
    Subtotal:
  • Main Bearing Set  M77MS429H

    Main Bearing Set MS-429H

    MICHIGAN 77

    $127.99
    Main bearing wear is one of the most common failure points in high-mileage or high-boost engines—allowing clearance creep to develop and compromising oil pressure and engine longevity. The MS-429H...
    M77MS429H
    SKU:
    M77MS429H
    Availability:
    Ships Same Business Day
    Weight:
    1.19 LBS
    MFG Part #:
    MS429H
    $127.99
    Qty in Cart: 0
    Quantity:
    Price:
    $127.99
    Subtotal:
  • Main Bearing Set  M77MS1564P

    Main Bearing Set MS-1564P

    MICHIGAN 77

    $315.99
    Main bearing wear is one of the most common failure points in high-mileage Small Block Chevy engines, and running degraded bearings accelerates damage to your crankshaft and block. The MS-1564P...
    M77MS1564P
    SKU:
    M77MS1564P
    Availability:
    Ships Same Business Day
    Weight:
    2.37 LBS
    MFG Part #:
    MS1564P
    Qty in Cart: 0
    Quantity:
    Price:
    $315.99
    Subtotal:
  • Main Bearing Set  M77MS1432P20

    Main Bearing Set MS-1432P-20

    MICHIGAN 77

    $92.99
    Main bearing wear is one of the most critical failure points in high-performance engines, directly affecting crankshaft stability, oil pressure, and overall engine longevity. The MS-1432P-20 delivers...
    M77MS1432P20
    SKU:
    M77MS1432P20
    Availability:
    Ships Same Business Day
    Weight:
    1.48 LBS
    MFG Part #:
    MS1432P20
    $92.99
    Qty in Cart: 0
    Quantity:
    Price:
    $92.99
    Subtotal:
  • Main Bearing Set  M77MS1432P10

    Main Bearing Set MS-1432P-10

    MICHIGAN 77

    $87.99
    Main bearing wear is one of the fastest paths to catastrophic engine failure—whether you're pushing power at the track or building a reliable street engine. The MS-1432P-10 delivers...
    M77MS1432P10
    SKU:
    M77MS1432P10
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    MFG Part #:
    MS1432P10
    $87.99
    Qty in Cart: 0
    Quantity:
    Price:
    $87.99
    Subtotal:
  • Main Bearing Set  M77MS1432P

    Main Bearing Set MS-1432P

    MICHIGAN 77

    $88.99
    Engine rebuilds demand precision components that maintain tight tolerances under sustained load and RPM cycles. The MS-1432P Main Bearing Set delivers OEM-grade construction specifically engineered...
    M77MS1432P
    SKU:
    M77MS1432P
    Availability:
    Ships Same Business Day
    Weight:
    1.37 LBS
    MFG Part #:
    MS1432P
    $88.99
    Qty in Cart: 0
    Quantity:
    Price:
    $88.99
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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