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
-
Main Bearing Set MS-1432P-20
MICHIGAN 77
$92.99Main Bearing Set MS-1432P-20 High-quality main bearing set designed for optimal engine performance Compatible with P-Series engines for reliable operation 0.020 inches undersize for precise fitment and enhanced durability Specifically engineered for...M77MS1432P20- SKU:
- M77MS1432P20
- Availability:
- Ships Same Business Day
- Weight:
- 1.48 LBS
- MFG Part #:
- MS1432P20
$92.99 -
Main Bearing Set MS-1432P-10
MICHIGAN 77
$87.99Main Bearing Set MS-1432P-10 High-quality main bearing set for reliable engine performance Designed specifically for P-Series applications 0.010 inch undersize for precision fit Compatible with Ford Cleveland, Modified, and Small Block...M77MS1432P10- SKU:
- M77MS1432P10
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MFG Part #:
- MS1432P10
$87.99 -
Main Bearing Set MS-1432P
MICHIGAN 77
$88.99Main Bearing Set MS-1432P High-quality main bearing set for optimal engine performance Designed specifically for P-Series applications Standard size for easy installation and compatibility Compatible with Ford Cleveland, Modified, and Small Block...M77MS1432P- SKU:
- M77MS1432P
- Availability:
- Ships Same Business Day
- Weight:
- 1.37 LBS
- MFG Part #:
- MS1432P
$88.99 -
Main Bearing Set MS-1432HX
MICHIGAN 77
$107.99Main Bearing Set Main BearingH-SeriesStandardExtra Oil ClearanceFord Cleveland / Modified / Small BlockKitM77MS1432HX- SKU:
- M77MS1432HX
- Availability:
- Ships Same Business Day
- Weight:
- 1.39 LBS
- MFG Part #:
- MS1432HX
$107.99 -
Main Bearing Set MS-1432H
MICHIGAN 77
$108.99Main Bearing Set MS-1432H High-quality Main Bearing for optimal engine performance Designed specifically for H-Series applications Standard size to fit various engine configurations Compatible with Ford Cleveland, Modified, and Small Block...M77MS1432H- SKU:
- M77MS1432H
- Availability:
- Ships Same Business Day
- Weight:
- 1.42 LBS
- MFG Part #:
- MS1432H
$108.99 -
Main Bearing Set MS-1110H-1
MICHIGAN 77
$284.99Main Bearing Set MS-1110H-1 High-quality main bearing set designed for optimal performance Compatible with H-Series engines for enhanced durability 0.001 inch undersize for precision fitting Specifically engineered for Small Block Chevy...M77MS1110H1- SKU:
- M77MS1110H1
- Availability:
- Ships Same Business Day
- Weight:
- 1.96 LBS
- MFG Part #:
- MS1110H1
$284.99 -
Main Bearing Set MS-1110H
MICHIGAN 77
$226.99Main Bearing Set Main BearingH-SeriesStandardSmall Block ChevyKitM77MS1110H- SKU:
- M77MS1110H
- Availability:
- Ships Same Business Day
- Weight:
- 2.01 LBS
- MFG Part #:
- MS1110H
$226.99 -
Main Bearing Set MS-1038P-10
MICHIGAN 77
$99.99Main Bearing Set MS-1038P-10 High-quality Main Bearing for reliable engine performance Designed specifically for P-Series applications 0.010 in Undersize for precision fit Compatible with Small Block Chevy engines Comprehensive kit for easy...M77MS1038P10- SKU:
- M77MS1038P10
- Availability:
- Ships Same Business Day
- Weight:
- 1.32 LBS
- MFG Part #:
- MS1038P10
$99.99 -
Main Bearing Set MS-1038P
MICHIGAN 77
$109.99Main Bearing Set MS-1038P High-quality main bearing set for optimal engine performance Designed specifically for P-Series applications Standard size for easy installation and compatibility Perfectly fits Small Block Chevy engines Comprehensive kit...M77MS1038P- SKU:
- M77MS1038P
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- MFG Part #:
- MS1038P
$109.99 -
Main Bearing Set MS-1038HX
MICHIGAN 77
$104.99Main Bearing Set Main BearingH-SeriesStandardExtra Oil ClearanceSmall Block ChevyKitM77MS1038HX- SKU:
- M77MS1038HX
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
- MFG Part #:
- MS1038HX
$104.99 -
Main Bearing Set MS-1038H-10
MICHIGAN 77
$103.99Main Bearing Set - MS-1038H-10 High-quality main bearing set for reliable engine performance Designed specifically for H-Series applications 0.010 inch undersize for precision fit Compatible with Small Block Chevy engines Comprehensive kit includes all...M77MS1038H10- SKU:
- M77MS1038H10
- Availability:
- Ships Same Business Day
- Weight:
- 1.37 LBS
- MFG Part #:
- MS1038H10
$103.99 -
Main Bearing Set MS-1038H-1
MICHIGAN 77
$88.99Main Bearing Set MS-1038H-1 High-quality main bearing set designed for durability and performance Compatible with H-Series engines for optimal fit Features a 0.001 inch undersize for precise application Specifically engineered for Small Block Chevy...M77MS1038H1- SKU:
- M77MS1038H1
- Availability:
- Ships Same Business Day
- Weight:
- 1.27 LBS
- MFG Part #:
- MS1038H1
$88.99 -
Main Bearing Set Coated SBC w/350 Mains KEBMB557XPC010
KING BEARINGS
$158.99Main Bearing Set Coated SBC w/350 MainsMain Bearing - XP - 0.010 in Undersize - Coated - Small Block Chevy - KitKEBMB557XPC010- SKU:
- KEBMB557XPC010
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- MFG Part #:
- MB 557XPC 010
$158.99Qty in Cart: 0Quantity:Price:$158.99Subtotal: -
Main Bearing Set Coated SBC w/350 Mains MB 557XPC
KING BEARINGS
$126.99Main Bearing Set Coated SBC w/350 MainsMain BearingXPStandardCoatedSmall Block ChevyKitKEBMB557XPC- SKU:
- KEBMB557XPC
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MFG Part #:
- MB 557XPC
$126.99 -
Main Bearing Set KEBMB557SI020
KING BEARINGS
$18.99Main Bearing Set Main Bearing - Alecular SI - 0.020 in Undersize - Small Block Chevy - KitKEBMB557SI020- SKU:
- KEBMB557SI020
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- MFG Part #:
- MB 557SI 020
$18.99 -
Main Bearing Set KEBMB557SI010
KING BEARINGS
$18.99Main Bearing Set Main Bearing - Alecular SI - 0.010 in Undersize - Small Block Chevy - KitKEBMB557SI010- SKU:
- KEBMB557SI010
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- MFG Part #:
- MB 557SI 010
$18.99 -
Main Bearing Set MB 557SI
KING BEARINGS
$19.99Main Bearing Set MB 557SI High-quality Main Bearing for reliable engine performance Designed specifically for Alecular SI applications Standard size to fit a variety of engine configurations Compatible with Small Block Chevy engines Comprehensive kit...KEBMB557SI- SKU:
- KEBMB557SI
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MFG Part #:
- MB 557SI
$19.99 -
Main Bearing Set KEBMB557HP030
KING BEARINGS
$74.99Main Bearing Set Main Bearing - HP - 0.030 in Undersize - Small Block Chevy - KitKEBMB557HP030- SKU:
- KEBMB557HP030
- Availability:
- Ships Same Business Day
- Weight:
- 1.18 LBS
- MFG Part #:
- MB 557HP 030
$74.99 -
Main Bearing Set KEBMB557HP020
KING BEARINGS
$74.99Main Bearing Set MB 557HP 020 Precision-engineered for optimal performance in small block Chevy engines. Undersized by 0.020 inches to ensure a perfect fit and improved engine efficiency. High-performance design enhances durability and...KEBMB557HP020- SKU:
- KEBMB557HP020
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- MFG Part #:
- MB 557HP 020
$74.99 -
Main Bearing Set KEBMB557HP011
KING BEARINGS
$75.99Main Bearing Set Main Bearing - HP - 0.011 in Undersize - Small Block Chevy - KitKEBMB557HP011- SKU:
- KEBMB557HP011
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- MFG Part #:
- MB 557HP 011
$75.99
