Engines and Components
Circle Track Engine Parts: Camshafts, Blocks & Accessories for Late Models at JJ Motorsports
Power up your circle track engine with premium components from JJ Motorsports. Our selection includes serpentine drive kits, pulley systems, valve covers, engine blocks, camshafts, and more for maximum horsepower, durability, and performance in late models, modifieds, street stocks, and IMCA dirt racing. Compatible with Small Block Chevy (SBC), LS-series, and other racing engines, these high-quality parts ensure reliable operation under intense track conditions.
Shop trusted brands like Jones Racing, Allstar Performance, Chevrolet Performance, and Howards Racing Components. Explore related categories such as circle track drivetrain for transmission upgrades or circle track chassis components for frame enhancements.
Top Circle Track Engine Products
- Jones Racing Serpentine Drive Kit 1020-S – New serpentine drive kit designed for efficient accessory drive in racing engines, weighing 3.61 lbs for lightweight performance.
- Allstar Performance 1:1 Pulley Kit Head Mount PS ALL31082 – Billet aluminum polished pulley kit with 1:1 ratio and 2-groove V-belt, includes crank and water pump pulleys and belts for Small Block Chevy engines with head-mount power steering.
- Allstar Performance Valve Covers SBC Steel Black w/Tubes ALL26147 – Durable steel valve covers in black finish with tubes, designed for Small Block Chevy engines, weighing 5.95 lbs for reliable sealing and style.
- Chevrolet Performance LSX Cast Iron Block - 4.065 Bore Finished 19417352 – Bare cast iron engine block with 4.065 in bore, 9.240 deck height, 6-bolt mains and heads, orange powdercoat finish, compatible with Gen III/IV LS components, supporting up to 4.250 in stroke and 454 cu. in. displacement.
- SBC Solid Roller Cam 111013-10 – High-performance solid roller camshaft from Howards Racing Components for Small Block Chevy engines, weighing 8.70 lbs, ideal for aggressive racing applications.
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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Air Flow Research SBC 227cc CNC Alum Heads Eliminator Race 65cc A/P 1124
AIR FLOW RESEARCH
$2,994.00Take your Small Block Chevy build to the next level with the Air Flow Research Eliminator Race 227cc CNC Aluminum Heads — engineered for serious performance enthusiasts who refuse to compromise. These fully assembled, race-ready heads deliver exceptional...AFR1124- SKU:
- AFR1124
- Availability:
- Ships Same Business Day
- Weight:
- 65.85 LBS
- MFG Part #:
- 1124
$2,994.00 -
Air Flow Research SBC 227cc CNC Alum Heads Eliminator Race 65cc A/P 1121
AIR FLOW RESEARCH
$2,994.00If you're serious about squeezing every last bit of power out of your Small Block Chevy, the Air Flow Research Eliminator Race 227cc CNC Aluminum Heads are built to deliver. Precision CNC-machined for maximum airflow and consistency, these heads are...AFR1121- SKU:
- AFR1121
- Availability:
- Ships Same Business Day
- Weight:
- 65.05 LBS
- MFG Part #:
- 1121
$2,994.00 -
Air Flow Research SBC 220cc CNC Alum Heads Eliminator Race 65cc A/P 1110
AIR FLOW RESEARCH
$2,994.00If you're serious about squeezing every last bit of power out of your Small Block Chevy, the Air Flow Research 220cc CNC Eliminator Race Heads are exactly what your build has been waiting for. Precision-machined for maximum airflow efficiency, these...AFR1110- SKU:
- AFR1110
- Availability:
- Ships Same Business Day
- Weight:
- 65.40 LBS
- MFG Part #:
- 1110
$2,994.00 -
Air Flow Research SBC 227cc Alum Heads Eliminator Race 65cc A/P 1068
AIR FLOW RESEARCH
$2,368.00If you're serious about extracting every last horsepower from your Small Block Chevy, the Air Flow Research Eliminator Race heads are exactly what your build has been waiting for. Engineered for maximum airflow and race-winning performance, these fully...AFR1068- SKU:
- AFR1068
- Availability:
- Ships Same Business Day
- Weight:
- 65.60 LBS
- MFG Part #:
- 1068
$2,368.00Qty in Cart: 0Quantity:Price:$2,368.00Subtotal: -
Air Flow Research SBC 220cc CNC Alum Heads Eliminator Race 65cc A/P 1065
AIR FLOW RESEARCH
$2,368.00If you're serious about extracting every last horsepower from your Small Block Chevy, the Air Flow Research Eliminator Race 220cc CNC Aluminum Heads (Part #1065) are built exactly for you. Precision CNC-machined for maximum airflow efficiency, these...AFR1065- SKU:
- AFR1065
- Availability:
- Ships Same Business Day
- Weight:
- 65.65 LBS
- MFG Part #:
- 1065
$2,368.00 -
AFCO Racing 20% Reduction Pulley Kit for Small Block Chevy Long Water Pump 80061
AFCO RACING PRODUCTS
$159.99If you're pushing your Small Block Chevy to the limits, the AFCO Racing 20% Reduction Pulley Kit (Part #80061) is exactly what your engine needs to stay cool and powerful at high RPMs. The overdrive design reduces parasitic drag on your accessories,...AFC80061- SKU:
- AFC80061
- Availability:
- Ships Same Business Day
- Weight:
- 5.11 LBS
- MFG Part #:
- 80061
$159.99 -
On Sale
ACL Bearings Rod Bearing Set 8B745HXD-STD
ACL BEARINGS
MSRP: $131.99Now: $112.09Was: $131.99Connecting rod bearings are the critical interface between your crankshaft and connecting rods—they handle extreme pressures and temperatures while maintaining precise clearances that directly impact engine reliability and longevity. The ACL 8B745HXD-STD...AEB8B745HXD-STD- SKU:
- AEB8B745HXD-STD
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MFG Part #:
- 8B745HXD-STD
MSRP: $131.99Now: $112.09Was: $131.99 -
On Sale
ACL Bearings Rod Bearing Set 8B745H-STD
ACL BEARINGS
MSRP: $114.99Now: $97.84Was: $114.99Engine reliability depends on precision-engineered rod bearings that can withstand sustained high-RPM loads and maintain critical clearances under extreme conditions. ACL's 8B745H-STD set delivers OEM-equivalent performance with the durability required...AEB8B745H-STD- SKU:
- AEB8B745H-STD
- Availability:
- Ships Same Business Day
- Weight:
- 0.83 LBS
- MFG Part #:
- 8B745H-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 8B745HD-STD
ACL BEARINGS
MSRP: $131.99Now: $112.09Was: $131.99ACL's H-Series rod bearings are engineered to deliver consistent clamping force and precise oil film thickness under sustained high-RPM load—essential for any Small Block Chevy engine that demands reliability during competition or spirited street driving...AEB8B745HD-STD- SKU:
- AEB8B745HD-STD
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- MFG Part #:
- 8B745HD-STD
MSRP: $131.99Now: $112.09Was: $131.99 -
On Sale
ACL Bearings Rod Bearing Set 8B745H-010
ACL BEARINGS
MSRP: $114.99Now: $97.84Was: $114.99Connecting rod bearings are critical to engine longevity and performance—they manage the enormous loads and speeds of your crankshaft while minimizing friction that bleeds horsepower. The ACL 8B745H-010 delivers precision fitment and reliable durability...AEB8B745H-10- SKU:
- AEB8B745H-10
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- MFG Part #:
- 8B745H-10
MSRP: $114.99Now: $97.84Was: $114.99 -
On Sale
ACL Bearings Rod Bearing Set 8B745H-001
ACL BEARINGS
MSRP: $114.99Now: $97.84Was: $114.99Rod bearings are critical wear items that directly impact engine reliability and longevity—especially in high-performance or rebuilt small block Chevy applications. ACL's H-Series rod bearing set delivers the precision tolerances and material quality...AEB8B745H-01- SKU:
- AEB8B745H-01
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- MFG Part #:
- 8B745H-01
MSRP: $114.99Now: $97.84Was: $114.99 -
On Sale
ACL Bearings Rod Bearing Set 8B663HX-STD
ACL BEARINGS
MSRP: $95.99Now: $91.19Was: $95.99A quality rod bearing set is critical to engine reliability under sustained load and high RPM operation. ACL's H-Series rod bearings are engineered with extra oil clearance to support forced induction and high-boost applications while maintaining proper...AEB8B663HX-STD- SKU:
- AEB8B663HX-STD
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MFG Part #:
- 8B663HX-STD
MSRP: $95.99Now: $91.19Was: $95.99 -
On Sale
ACL Bearings Rod Bearing Set 8B663HXD-STD
ACL BEARINGS
MSRP: $144.99Now: $123.49Was: $144.99Proper rod bearings are critical to engine longevity and reliability under load. ACL's 8B663HXD-STD set delivers the precision clearances and robust construction needed to handle sustained performance demands while maintaining consistent oil film...AEB8B663HXD-STD- SKU:
- AEB8B663HXD-STD
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MFG Part #:
- 8B663HXD-STD
MSRP: $144.99Now: $123.49Was: $144.99 -
On Sale
ACL Bearings Rod Bearing Set 8B663H-STD
ACL BEARINGS
Now: $76.94Was: $80.99Connecting rod bearings are critical to engine longevity and reliability—they manage the extreme pressures and temperatures of combustion while maintaining precise clearances between your crankshaft and rods. The ACL 8B663H-STD delivers OEM-quality...AEB8B663H-STD- SKU:
- AEB8B663H-STD
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MFG Part #:
- 8B663H-STD
Now: $76.94Was: $80.99 -
On Sale
ACL Bearings Rod Bearing Set 8B663HD-STD
ACL BEARINGS
MSRP: $144.99Now: $123.49Was: $144.99Connecting rod bearings are critical to engine longevity and reliability—they directly support the loads and friction generated during combustion cycles. The ACL 8B663HD-STD delivers OEM-quality performance with a doweled design that ensures precise...AEB8B663HD-STD- SKU:
- AEB8B663HD-STD
- Availability:
- Ships Same Business Day
- Weight:
- 0.84 LBS
- MFG Part #:
- 8B663HD-STD
MSRP: $144.99Now: $123.49Was: $144.99Qty in Cart: 0Quantity:Price:MSRP: $144.99Now: $123.49Was: $144.99Subtotal: -
On Sale
ACL Bearings Rod Bearing Set 8B663H-020
ACL BEARINGS
MSRP: $85.99Now: $81.69Was: $85.99Proper rod bearing clearance is critical to engine longevity and performance—undersized bearings ensure optimal oil film thickness and reduce wear on your crankshaft journals. ACL's H-Series bearings deliver the precision tolerances and durability...AEB8B663H-20- SKU:
- AEB8B663H-20
- Availability:
- Ships Same Business Day
- Weight:
- 0.97 LBS
- MFG Part #:
- 8B663H-20
MSRP: $85.99Now: $81.69Was: $85.99 -
On Sale
ACL Bearings Rod Bearing Set 8B663H-10
ACL BEARINGS
MSRP: $80.99Now: $76.94Was: $80.99Rod bearing wear is one of the most common failure points in high-mileage and performance engines—catching it early or upgrading preventatively can save thousands in catastrophic engine damage. The ACL 8B663H-10 delivers OEM-quality construction with...AEB8B663H-10- SKU:
- AEB8B663H-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.92 LBS
- MFG Part #:
- 8B663H-10
MSRP: $80.99Now: $76.94Was: $80.99 -
On Sale
ACL Bearings Rod Bearing Set 8B663H-01
ACL BEARINGS
Now: $76.94Was: $80.99If you're rebuilding or upgrading your small block Chevy engine, the quality of your rod bearings directly impacts reliability under load and ring longevity. ACL's H-Series rod bearings are engineered for consistent oil film strength and precise...AEB8B663H-01- SKU:
- AEB8B663H-01
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MFG Part #:
- 8B663H-01
Now: $76.94Was: $80.99 -
On Sale
ACL Bearings Rod Bearing Set 8B663A-10
ACL BEARINGS
MSRP: $19.99Now: $17.09Was: $19.99Proper rod bearing clearance is critical for engine longevity and reliability—especially in high-performance builds where tolerances demand precision. The ACL Bearings 8B663A-10 Rod Bearing Set delivers OEM-quality construction with the 0.010" undersize...AEB8B663A-10- SKU:
- AEB8B663A-10
- Availability:
- Ships Same Business Day
- Weight:
- 0.77 LBS
- MFG Part #:
- 8B663A-10
MSRP: $19.99Now: $17.09Was: $19.99 -
On Sale
ACL Bearings Rod Bearing Set 8B634HX-STD
ACL BEARINGS
MSRP: $98.99Now: $83.59Was: $98.99Proper rod bearings are non-negotiable for engine reliability, especially in high-RPM or forced-induction applications where connecting rod loads intensify dramatically. ACL's H-Series rod bearings deliver the extra oil clearance and precision...AEB8B634HX-STD- SKU:
- AEB8B634HX-STD
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- MFG Part #:
- 8B634HX-STD
MSRP: $98.99Now: $83.59Was: $98.99
