Main Bearings
Circle Track Main Bearings at JJ Motorsports
Main bearings support the crankshaft's weight and rotation, providing durability and stability under high loads in circle track racing. Designed for late models, modifieds, and street stocks, these bearings ensure consistent performance and longevity in demanding IMCA, USMTS, and dirt oval conditions, available in coated and extra clearance options for Small Block Ford and GM LS-Series engines.
Shop trusted brands like MAHLE ORIGINAL/CLEVITE for coated H-Series sets, KING BEARINGS for high-performance options, and ACL BEARINGS for reliable bearings. Explore related categories such as Circle Track Engine Bearings for complete bearing solutions or Circle Track Engines and Components for additional upgrades.
Top Circle Track Main Bearings
- Coated Main Bearing Set MS-590HC – Main Bearing H-Series Standard Coated Small Block Ford.
- Main Bearing Set GM LS MS-2411HX – Main Bearings H-Series Standard Extra Oil Clearance GM LS-Series.
- Main Bearing Set GM LS Coated MS-2411HC – Main Bearings H-Series Standard Coated GM LS-Series.
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
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Coated Main Bearing Set MS-590HC
MAHLE ORIGINAL/CLEVITE
$148.99Main BearingH-SeriesStandardCoatedSmall Block FordM77MS590HC- SKU:
- M77MS590HC
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
$148.99 -
Main Bearing Set GM LS MS-2411HX
MAHLE ORIGINAL/CLEVITE
$205.99Main BearingsH-SeriesStandardExtra Oil ClearanceGM LS-SeriesM77MS2411HX- SKU:
- M77MS2411HX
- Availability:
- Ships Same Business Day
- Weight:
- 1.26 LBS
$205.99 -
Main Bearing Set GM LS Coated MS-2411HC
MAHLE ORIGINAL/CLEVITE
$269.99Main BearingsH-SeriesStandardCoatedGM LS-SeriesM77MS2411HC- SKU:
- M77MS2411HC
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$269.99 -
Main Bearing Set GM LS MS-2411H
MAHLE ORIGINAL/CLEVITE
$197.99Main BearingsH-SeriesStandardGM LS-SeriesKitM77MS2411H- SKU:
- M77MS2411H
- Availability:
- Ships Same Business Day
- Weight:
- 1.26 LBS
$197.99 -
Coated Main Bearing Set MS-1038HXC
MAHLE ORIGINAL/CLEVITE
$165.99Main BearingHK-SeriesStandardExtra Oil ClearanceCoatedKitM77MS1038HXC- SKU:
- M77MS1038HXC
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
$165.99 -
Main Bearing Set - Dart LS-Next Block MB5777XP STDX
KING BEARINGS
$155.99Main BearingXP0.001 in UndersizeExtra Oil ClearanceDartKitKEBMB5777XPSTDX- SKU:
- KEBMB5777XPSTDX
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$155.99 -
Main Bearing Set Coated SBC w/350 Mains MB 557XPC 020
KING BEARINGS
$136.99Main BearingXP0.020 in UndersizeCoatedSmall Block ChevyKEBMB557XPC020- SKU:
- KEBMB557XPC020
- Availability:
- Ships Same Business Day
- Weight:
- 1.53 LBS
$136.99 -
Main Bearing Set MB 557HP010X
KING BEARINGS
$75.99Main BearingHP0.010 in UndersizeExtra Oil ClearanceSmall Block ChevyKEBMB557HP010X- SKU:
- KEBMB557HP010X
- Availability:
- Ships Same Business Day
- Weight:
- 1.09 LBS
$75.99 -
Main Bearing Set MB 509SI 010
KING BEARINGS
$31.99Main BearingAlecular SI0.010 in UndersizeSmall Block ChevyKitKEBMB509SI010- SKU:
- KEBMB509SI010
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
$31.99 -
Main Bearing Set MB 509HP STDX
KING BEARINGS
$75.99Main BearingHPStandardExtra Oil ClearanceSmall Block ChevyKEBMB509HPSTDX- SKU:
- KEBMB509HPSTDX
- Availability:
- Ships Same Business Day
- Weight:
- 1.34 LBS
$75.99 -
Main Bearing Set MB 509HP 030
KING BEARINGS
$78.99Main BearingHP0.030 in UndersizeSmall Block ChevyKitKEBMB509HP030- SKU:
- KEBMB509HP030
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
$78.99 -
Main Bearing Set Coated GM LS1/LS2/LS4/LS6 MB5013XPC 010
KING BEARINGS
$175.99Main BearingXP0.010 in UndersizeCoatedGM LS-SeriesKEBMB5013XPC010- SKU:
- KEBMB5013XPC010
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
$175.99 -
Main Bearing Set Coated GM LS1/LS2/LS4/LS6 MB5013XPC
KING BEARINGS
$175.99Main BearingXPStandardCoatedGM LS-SeriesKEBMB5013XPC- SKU:
- KEBMB5013XPC
- Availability:
- Ships Same Business Day
- Weight:
- 1.28 LBS
$175.99 -
Main Bearing Set GM LS1/LS2/LS4/LS6 MB5013XP 020
KING BEARINGS
$142.99Main BearingXP0.020 in UndersizeGM LS-SeriesKitKEBMB5013XP020- SKU:
- KEBMB5013XP020
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
$142.99 -
Main Bearing Set GM LS1/LS2/LS4/LS6 MB5013XP 011
KING BEARINGS
$149.99Main BearingXP0.011 in UndersizeGM LS-SeriesKitKEBMB5013XP011- SKU:
- KEBMB5013XP011
- Availability:
- Ships Same Business Day
- Weight:
- 1.34 LBS
$149.99 -
Main Bearing Set GM LS1/LS2/LS4/LS6 MB5013XP 010
KING BEARINGS
$115.99Main BearingXP0.010 in UndersizeGM LS-SeriesKitKEBMB5013XP010- SKU:
- KEBMB5013XP010
- Availability:
- Ships Same Business Day
- Weight:
- 1.34 LBS
$115.99 -
Main Bearing Set GM LS1/LS2/LS4/LS6 MB5013XP 001
KING BEARINGS
$142.99Main BearingXP0.001 in UndersizeGM LS-SeriesKitKEBMB5013XP001- SKU:
- KEBMB5013XP001
- Availability:
- Ships Same Business Day
- Weight:
- 1.28 LBS
$142.99 -
Main Bearing Set GM LS1/LS2/LS4/LS6 MB5013HPSTDX
KING BEARINGS
$138.99Main BearingHPStandardExtra Oil ClearanceGM LS-SeriesKEBMB5013HPSTDX- SKU:
- KEBMB5013HPSTDX
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
$138.99 -
On Sale
ACL Bearings Main Bearing Set 5M7298HX-STD
ACL BEARINGS
MSRP: $156.99Now: $149.14Was: $156.99Main BearingH-SeriesStandardExtra Oil ClearanceGM LS-SeriesAEB5M7298HX-STD- SKU:
- AEB5M7298HX-STD
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
MSRP: $156.99Now: $149.14Was: $156.99 -
On Sale
ACL Bearings Main Bearing Set 5M7298H-STD
ACL BEARINGS
MSRP: $156.99Now: $149.14Was: $156.99Main BearingH-SeriesStandardGM LS-SeriesKitAEB5M7298H-STD- SKU:
- AEB5M7298H-STD
- Availability:
- Ships Same Business Day
- Weight:
- 1.03 LBS
MSRP: $156.99Now: $149.14Was: $156.99
