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
- Rod Bearing Set 87100CHA – Connecting Rod Bearing, Speed Pro, Standard, Chamfered, Doweled, Set of 8 (SEA8-7100CHA).
- Coated Main Bearing Set MS-590HC – Main Bearing, H-Series, Standard, Coated, Small Block Ford (M77MS590HC).
- Main Bearing Set GM LS MS-2411HX – Main Bearings, H-Series, Standard, Extra Oil Clearance, GM LS-Series (M77MS2411HX).
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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XP Main Bearing Set Dart LS-next Block MB5777XP
KING BEARINGS
$169.99Main bearing wear is one of the quickest paths to catastrophic engine failure—and inferior bearings amplify that risk exponentially. The XP Main Bearing Set for Dart LS-next blocks delivers the precision clearances and material durability required for...KEBMB5777XP- SKU:
- KEBMB5777XP
- Availability:
- Ships Same Business Day
- Weight:
- 1.28 LBS
$169.99 -
On Sale
ACL Bearings Rod Bearing Set 8B1663H-STD
ACL BEARINGS
MSRP: $135.99Now: $114.94Was: $135.99Connecting rod bearings are critical load-bearing components that directly impact engine reliability and longevity. ACL's H-Series bearings deliver OEM-quality construction with tighter tolerances, ensuring proper oil film strength and consistent...AEB8B1663H-STD- SKU:
- AEB8B1663H-STD
- Availability:
- Ships Same Business Day
- Weight:
- 0.72 LBS
MSRP: $135.99Now: $114.94Was: $135.99 -
Main Bearing Set SEA140M20
SEALED POWER
$77.99Main bearing wear directly impacts engine longevity, oil pressure stability, and overall reliability—especially in performance applications where tight tolerances are non-negotiable. This precision-engineered main bearing set delivers the exact fit and...SEA140M20- SKU:
- SEA140M20
- Availability:
- Ships Same Business Day
- Weight:
- 1.48 LBS
- MFG Part #:
- 140M20
$77.99Qty in Cart: 0Quantity:Price:$77.99Subtotal: -
Main Bearing Set SEA139M20
SEALED POWER
$82.99A quality main bearing set is foundational to engine longevity and reliability, especially in high-revving or rebuilt engines where precision fit directly impacts oil pressure and overall durability. The Speed Pro 139M20 delivers the exact undersize spec...SEA139M20- SKU:
- SEA139M20
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- MFG Part #:
- 139M20
$82.99 -
Main Bearing Set MS-429HX
MICHIGAN 77
$123.99Engine longevity depends on bearing quality and oil film integrity—undersized or worn bearings compromise both. The MS-429HX delivers the precision clearances and material consistency your Small Block Chevy needs for reliable power delivery under...M77MS429HX- SKU:
- M77MS429HX
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- MFG Part #:
- MS429HX
$123.99Qty in Cart: 0Quantity:Price:$123.99Subtotal: -
Main Bearing Set MS-429H-10
MICHIGAN 77
$132.99Main bearing clearance is critical to engine longevity—too tight and you risk oil starvation; too loose and you invite catastrophic wear. The MS-429H-10 eliminates guesswork with precision-ground, 0.010-inch undersized bearings engineered specifically...M77MS429H10- SKU:
- M77MS429H10
- Availability:
- Ships Same Business Day
- Weight:
- 1.27 LBS
- MFG Part #:
- MS429H10
$132.99 -
Main Bearing Set MS-1038H-11
MICHIGAN 77
$89.99A quality main bearing set is fundamental to engine durability and reliability, especially when running a small block Chevy at high RPM or under boost. The MS-1038H-11 is engineered to maintain precise clearances and oil film strength, preventing...M77MS1038H11- SKU:
- M77MS1038H11
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MFG Part #:
- MS1038H11
$89.99Qty in Cart: 0Quantity:Price:$89.99Subtotal: -
Main Bearing Set MS-1038H
MICHIGAN 77
$91.99Main bearing wear is one of the most common causes of catastrophic engine failure, especially under sustained high RPM operation. The MS-1038H delivers OEM-quality construction with tight tolerances to maintain proper oil clearance and load distribution...M77MS1038H- SKU:
- M77MS1038H
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
- MFG Part #:
- MS1038H
$91.99 -
Rod Bearing CB-745P-40
MAHLE ORIGINAL/CLEVITE
$9.39Proper rod bearing clearance is critical to engine longevity and reliability—undersized bearings compensate for worn journals and restore optimal oil film thickness. The CB-745P-40 delivers the precision fit your Small Block Chevy needs to maintain...M77CB745P40- SKU:
- M77CB745P40
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MFG Part #:
- CB745P40
$9.39Qty in Cart: 0Quantity:Price:$9.39Subtotal: -
Rod Bearing CB-634P-30
MICHIGAN 77
$11.99Connecting rod bearings are critical to engine longevity—they handle extreme pressure and temperature cycles that demand precision engineering and reliable materials. The CB-634P-30 is built with P-Series construction to minimize friction and wear,...M77CB634P30- SKU:
- M77CB634P30
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- MFG Part #:
- CB634P30
$11.99 -
Main Bearing Set. KEBMB557SI001
KING BEARINGS
$33.99A quality main bearing set is critical for engine longevity and reliability, especially in high-performance or rebuilt Small Block Chevy applications. The Alecular SI main bearing set delivers consistent oil film strength and dimensional precision where...KEBMB557SI001- SKU:
- KEBMB557SI001
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- MB 557SI 001
$33.99 -
Main Bearing Set MB 509XP
KING BEARINGS
$75.99A quality main bearing set is the foundation of engine reliability—it directly impacts oil pressure stability, bearing longevity, and overall engine durability under load. The MB 509XP delivers consistent performance and precision fitment for Small Block...KEBMB509XP- SKU:
- KEBMB509XP
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MFG Part #:
- MB 509XP
$75.99 -
Dura Bond HP Cam Bearing Set - Dart I/E Block - Coated GMP-2T
DURA-BOND
$91.99Precision camshaft bearings are critical to engine longevity and consistent performance—especially in high-RPM or forced-induction applications where bearing wear accelerates quickly. The Dura Bond HP Cam Bearing Set is engineered with a durable coating...DURGMP-2T- SKU:
- DURGMP-2T
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MFG Part #:
- GMP-2T
$91.99 -
Dura Bond HP Cam Bearing Set - SBF 302/351 SVO- Coated 351HPT
DURA-BOND
$134.99Cam bearing wear is one of the most overlooked failure points in high-revving small block Ford engines, yet proper bearing selection directly impacts oil pressure stability and camshaft longevity. The Dura Bond HP Cam Bearing Set delivers a...DUR351HPT- SKU:
- DUR351HPT
- Availability:
- Ships Same Business Day
- Weight:
- 0.53 LBS
- MFG Part #:
- 351HPT
$134.99 -
On Sale
Main Bearing Set - Calico Coated MS429HX
CALICO COATINGS
MSRP: $193.99Now: $175.77Was: $193.99Main bearings are the foundation of engine reliability—they handle extreme pressures and temperatures that demand precision engineering. The Calico Coated MS429HX delivers superior load capacity and extended service life through advanced bearing surface...CLCMS429HX- SKU:
- CLCMS429HX
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- MFG Part #:
- MS429HX
MSRP: $193.99Now: $175.77Was: $193.99Qty in Cart: 0Quantity:Price:MSRP: $193.99Now: $175.77Was: $193.99Subtotal: -
On Sale
Main Bearing Set - Calico Coated MS429H
CALICO COATINGS
MSRP: $223.99Now: $202.09Was: $223.99Engine longevity depends on bearing quality, and worn or inadequate main bearings accelerate catastrophic failure under high RPM and load. The MS429H Calico Coated set delivers reliable oil film retention and reduced wear rates, protecting your bottom...CLCMS429H- SKU:
- CLCMS429H
- Availability:
- Ships Same Business Day
- Weight:
- 1.23 LBS
- MFG Part #:
- MS429H
MSRP: $223.99Now: $202.09Was: $223.99 -
On Sale
ACL Bearings Rod Bearing Set 8B745HX-STD
ACL BEARINGS
MSRP: $114.99Now: $97.84Was: $114.99Connecting rod bearings are the silent load-bearers of your engine—they absorb shock, distribute pressure, and keep your crankshaft spinning true under extreme stress. The ACL Bearings 8B745HX-STD is engineered with extra oil clearance to maximize film...AEB8B745HX-STD- SKU:
- AEB8B745HX-STD
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- MFG Part #:
- 8B745HX-STD
MSRP: $114.99Now: $97.84Was: $114.99Qty in Cart: 0Quantity:Price:MSRP: $114.99Now: $97.84Was: $114.99Subtotal: -
On Sale
ACL Bearings Rod Bearing Set 8B663A-STD
ACL BEARINGS
MSRP: $19.99Now: $17.09Was: $19.99Rod bearings are the foundation of engine reliability—they're what keep your connecting rods spinning smoothly under load without catastrophic failure. ACL's 8B663A-STD set is engineered with precision tolerances and proven materials to handle high RPM...AEB8B663A-STD- SKU:
- AEB8B663A-STD
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- MFG Part #:
- 8B663A-STD
MSRP: $19.99Now: $17.09Was: $19.99 -
On Sale
ACL Bearings Rod Bearing Set 8B634H-10
ACL BEARINGS
MSRP: $98.99Now: $83.59Was: $98.99Rod bearings are the foundation of engine reliability under high RPM and load conditions. ACL's H-Series bearings deliver the precise clearances and durability that serious builders demand, whether you're running a stock rebuild or a forced-induction...AEB8B634H-10- SKU:
- AEB8B634H-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- MFG Part #:
- 8B634H-10
MSRP: $98.99Now: $83.59Was: $98.99 -
On Sale
ACL Bearings Cam Bearing Set 5C3346C-STD
ACL BEARINGS
MSRP: $70.99Now: $59.84Was: $70.99Camshaft bearing wear is one of the most common causes of catastrophic engine failure, yet it's entirely preventable with quality OEM-spec bearings. The ACL 5C3346C-STD delivers the precision fit and load-carrying capacity your small block Chevy needs to...AEB5C3346C-STD- SKU:
- AEB5C3346C-STD
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- MFG Part #:
- 5C3346C-STD
MSRP: $70.99Now: $59.84Was: $70.99Qty in Cart: 0Quantity:Price:MSRP: $70.99Now: $59.84Was: $70.99Subtotal:
