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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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 -
Canton Ford 90 Deg Remote Adapter 22-595
CANTON
$108.00A remote oil filter adapter is essential for custom engine builds and forced induction setups where traditional filter mounting isn't feasible. The Canton 90-degree design lets you relocate your filter away from heat sources and tight engine bays,...CAN22-595- SKU:
- CAN22-595
- Availability:
- Ships Same Business Day
- Weight:
- 1.36 LBS
- MFG Part #:
- 22-595
$108.00 -
Canton 289-302 Ford Windage Tray 20-930
CANTON
$105.00A windage tray reduces oil churning losses in your small block Ford's crankcase by deflecting oil spray away from rotating components, directly improving horsepower and engine efficiency. By minimizing parasitic drag on the crankshaft, you'll see...CAN20-930- SKU:
- CAN20-930
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- MFG Part #:
- 20-930
$105.00 -
SBC 4340 Forged Magnum Crank - 3.335 Stroke SAX-14A-MG
CALLIES
$3,184.00A forged 4340 steel crankshaft is the foundation of any reliable high-performance small block Chevy engine—it's engineered to handle sustained boost, aggressive cam profiles, and high RPM loads without deflection or failure. The SAX-14A-MG's internal...CALSAX14A-MG- SKU:
- CALSAX14A-MG
- Availability:
- Ships Same Business Day
- Weight:
- 23.76 LBS
- MFG Part #:
- SAX14A-MG
$3,184.00Qty in Cart: 0Quantity:Price:$3,184.00Subtotal: -
SBC 4340 Forged Magnum Crank - 4.000 Stroke SAO11A-MG
CALLIES
$3,510.00If you're building a high-revving small block Chevy engine, your crankshaft needs to handle the punishment of sustained performance without flex or failure. The SBC 4340 Forged Magnum Crank delivers the structural integrity and precision geometry...CALSAO11A-MG- SKU:
- CALSAO11A-MG
- Availability:
- Ships Same Business Day
- Weight:
- 53.50 LBS
- MFG Part #:
- SAO11A-MG
$3,510.00Qty in Cart: 0Quantity:Price:$3,510.00Subtotal: -
SBC 4340 Forged Compstar Crank - 4.000 Stroke SAO-113-CS
CALLIES
$1,029.00A forged crankshaft is the foundation of any high-revving Small Block Chevy engine build—it's the component that converts combustion force into rotational power, and it needs to withstand extreme stress without failure. The Compstar 4340 forged crank...CALSAO113-CS- SKU:
- CALSAO113-CS
- Availability:
- Ships Same Business Day
- Weight:
- 56.00 LBS
- MFG Part #:
- SAO113-CS
$1,029.00 -
SBC 4340 Forged Compstar Crank - 3.875 Stroke SAM-113-CS
CALLIES
$1,029.00A forged crankshaft is the backbone of any high-revving Small Block Chevy engine—it needs to withstand extreme loads without flex or failure. The SBC 4340 Forged Compstar Crank delivers the strength and reliability required for serious racing and...CALSAM113-CS- SKU:
- CALSAM113-CS
- Availability:
- Ships Same Business Day
- Weight:
- 56.00 LBS
- MFG Part #:
- SAM113-CS
$1,029.00Qty in Cart: 0Quantity:Price:$1,029.00Subtotal: -
SBC 4340 Forged Magnum Crank - 3.750 Stroke SAJ11A-MG
CALLIES
$3,184.00If you're building a high-output Small Block Chevy engine, your crankshaft needs to handle sustained RPM and cylinder pressure without compromise. The SBC 4340 Forged Magnum Crank delivers the strength and precision required for serious racing and forced...CALSAJ11A-MG- SKU:
- CALSAJ11A-MG
- Availability:
- Ships Same Business Day
- Weight:
- 53.00 LBS
- MFG Part #:
- SAJ11A-MG
$3,184.00 -
SBC 4340 Forged Compstar Crank 3.625 Stroke SAH113-CM
CALLIES
$854.00A quality crankshaft is the foundation of any reliable high-performance small block Chevy engine, and this Compstar 4340 forged crank delivers the strength and precision you need for consistent power delivery across the RPM band. Built from premium 4340...CALSAH113-CM- SKU:
- CALSAH113-CM
- Availability:
- Ships Same Business Day
- Weight:
- 50.00 LBS
- MFG Part #:
- SAH113-CM
$854.00Qty in Cart: 0Quantity:Price:$854.00Subtotal: -
SBC 4340 Forged Compstar Crank 3.480 Stroke SAF143-CC
CALLIES
$1,238.00A forged 4340 steel crankshaft is the backbone of any serious small-block Chevy engine build, and the Compstar Crank delivers the strength and precision required for high-RPM performance and forced induction applications. This internally balanced design...CALSAF143-CC- SKU:
- CALSAF143-CC
- Availability:
- Ships Same Business Day
- Weight:
- 45.00 LBS
- MFG Part #:
- SAF143-CC
$1,238.00Qty in Cart: 0Quantity:Price:$1,238.00Subtotal: -
SBC Forged H-Beam Rods - 6.125/2.100 CSA6125DS2A2AH
CALLIES
$784.00When you're building a Small Block Chevy engine destined for the track or strip, your connecting rods are the critical link between power and reliability. These SBC Forged H-Beam Rods from Compstar deliver the strength and precision needed to handle...CALCSA6125DS2A2AH- SKU:
- CALCSA6125DS2A2AH
- Availability:
- Ships Same Business Day
- Weight:
- 12.30 LBS
- MFG Part #:
- CSA6125DS2A2AH
$784.00Qty in Cart: 0Quantity:Price:$784.00Subtotal: -
SBC Valve Seat - Intake 2.131 OD/1.845 ID/.312 P 2.131 5/16 LID
BRODIX
$24.99A properly seated intake valve is fundamental to cylinder head performance and engine reliability. Whether you're rebuilding a small-block Chevy or restoring a classic, this iron valve seat ensures precise sealing that prevents compression loss and...BROP2-1315/16LID- SKU:
- BROP2-1315/16LID
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- P 2.131 5/16 LID
$24.99 -
1.600 Exhaust Valve - 4.965 OAL 11/32 BR 81021
BRODIX
$37.99When you're building or rebuilding a Small Block Chevy engine for reliable high-RPM performance, exhaust valve quality directly impacts power delivery and engine longevity. This 1.600 stainless steel exhaust valve is precision-engineered to handle the...BROBR81021- SKU:
- BROBR81021
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- MFG Part #:
- BR 81021
$37.99 -
2.080 Intake Valve - 4.965 OAL 11/32 BR 81019
BRODIX
$37.99If you're building or rebuilding a Small Block Chevy engine, intake valve quality directly impacts combustion efficiency and overall engine reliability. This 2.080" stainless steel intake valve is engineered to precise OEM specifications, ensuring proper...BROBR81019- SKU:
- BROBR81019
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- MFG Part #:
- BR 81019
$37.99 -
2.080 Intake Valve - 5.065 OAL 11/32 BR 60029
BRODIX
$37.99A precision intake valve is fundamental to maximizing airflow and combustion efficiency in any small block Chevy engine build. This stainless steel valve delivers consistent performance across high-RPM applications while resisting thermal stress and...BROBR60029- SKU:
- BROBR60029
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MFG Part #:
- BR 60029
$37.99 -
Valve Guide 11/32 .545 OD/.340 ID 3.000 Long BH .545 11/32 PLI
BRODIX
$14.99Precision valve guides are critical for maintaining proper valve alignment and sealing integrity in high-performance engines. A worn or misaligned guide causes excessive oil consumption, reduced compression, and accelerated valve wear—all of which...BROBH.54511/32PLI- SKU:
- BROBH.54511/32PLI
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- BH .545 11/32 PLI
$14.99Qty in Cart: 0Quantity:Price:$14.99Subtotal: -
SBC 225cc D/S Heads 64cc 2.08/1.60 Assembled 1321003
BRODIX
$2,416.99If you're building a high-flow SBC engine, these assembled cylinder heads deliver the airflow and port efficiency needed for serious power gains. The 225cc intake runners paired with a 64cc combustion chamber provide an optimal balance of low-end torque...BRO1321003- SKU:
- BRO1321003
- Availability:
- Ships Same Business Day
- Weight:
- 65.00 LBS
- MFG Part #:
- 1321003
$2,416.99Qty in Cart: 0Quantity:Price:$2,416.99Subtotal: -
SBC 225cc D/S Heads 68cc 2.08/1.60 Bare 1320000
BRODIX
$1,584.99If you're building a high-flowing Small Block Chevy engine, cylinder head choice directly determines your power ceiling. These SBC 225cc D/S heads deliver the intake and exhaust flow characteristics needed for serious naturally-aspirated performance,...BRO1320000- SKU:
- BRO1320000
- Availability:
- Ships Same Business Day
- Weight:
- 51.00 LBS
- MFG Part #:
- 1320000
$1,584.99Qty in Cart: 0Quantity:Price:$1,584.99Subtotal: -
SBC 227cc Track 1 KC CNC Ported Heads 2.08/1.60 1008104
BRODIX
$3,630.99If you're serious about track performance, cylinder head flow is where power gets made. These SBC 227cc heads deliver CNC-ported precision that maximizes intake and exhaust efficiency across the RPM range, giving you the breathing room to extract every...BRO1008104- SKU:
- BRO1008104
- Availability:
- Ships Same Business Day
- Weight:
- 65.30 LBS
- MFG Part #:
- 1008104
$3,630.99 -
SBC 5.7in Steel Harmonic Balancer - SFI CH-IBS-6-C
BHJ DAMPERS
$469.99Harmonic balancers are critical to engine longevity—they absorb destructive vibrations that can crack cranks and damage bearings over time. This SBC balancer combines a steel construction with SFI 18.1 certification, ensuring reliable performance whether...BHJCH-IBS-6-C- SKU:
- BHJCH-IBS-6-C
- Availability:
- Ships Same Business Day
- Weight:
- 4.60 LBS
- MFG Part #:
- CH-IBS-6-C
$469.99Qty in Cart: 0Quantity:Price:$469.99Subtotal:
