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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JAZ Mini-Breather Tank w/3/8in Fittings 605-375-01
JAZ
$108.99A properly functioning breather system is critical for maintaining crankcase pressure and preventing oil leakage, especially in high-performance or modified engines where stock solutions fall short. The JAZ Mini-Breather Tank manages vapors efficiently...JAZ605-375-01- SKU:
- JAZ605-375-01
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MFG Part #:
- 605-375-01
$108.99 -
JAZ Black Breather Tank w/-12an Fitting 605-225-01
JAZ
$107.99A quality breather tank is essential for managing crankcase pressure and preventing oil vapors from contaminating your engine or escaping into the atmosphere. This JAZ breather tank provides reliable separation and collection of blow-by gases, keeping...JAZ605-225-01- SKU:
- JAZ605-225-01
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- MFG Part #:
- 605-225-01
$107.99 -
JAZ Black Breather Tank w/-10an Fitting 605-125-01
JAZ
$92.99A quality breather tank is essential for managing crankcase pressure and preventing oil blow-by in high-performance engines, especially during sustained racing or forced induction applications. The JAZ Black Breather Tank separates oil mist from vapors,...JAZ605-125-01- SKU:
- JAZ605-125-01
- Availability:
- Ships Same Business Day
- Weight:
- 1.29 LBS
- MFG Part #:
- 605-125-01
$92.99 -
JAZ Black Breather Tank AN-6 605-025-01
JAZ
$80.99Effective crankcase ventilation is essential for engine longevity and consistent performance, especially in high-boost or extended-run applications where pressure buildup can compromise seals and gaskets. The JAZ Black Breather Tank provides reliable...JAZ605-025-01- SKU:
- JAZ605-025-01
- Availability:
- Ships Same Business Day
- Weight:
- 1.33 LBS
- MFG Part #:
- 605-025-01
$80.99 -
Isky Super 7 Deg. Valve Locks 11/32in +.50 VL750
ISKY CAMS
$119.99Valve locks are critical to engine reliability—they keep your valve retainers seated under extreme rpm and boost conditions, preventing catastrophic valve float. The Isky Super 7 Deg. Valve Locks deliver the geometry and material strength needed for...ISKVL-750- SKU:
- ISKVL-750
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
- MFG Part #:
- VL750
$119.99 -
Isky Super 7 Deg. Valve Locks 11/32in VL700
ISKY CAMS
$114.99Valve locks are a critical safety component that prevent your valve keepers from rotating or shifting under extreme RPM and valve spring pressure. Using premium chromoly construction, these Isky Super 7 Deg. locks provide the precise geometry and...ISKVL-700- SKU:
- ISKVL-700
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- MFG Part #:
- VL700
$114.99 -
Isky 11/32in Valve Locks VL1132
ISKY CAMS
$94.99Valve locks are a critical component in high-RPM applications—they keep your valve retainers seated and prevent catastrophic valvetrain failure when boost pressures and engine speeds push standard hardware to their limits. The Isky 11/32in Valve Locks...ISKVL-11/32- SKU:
- ISKVL-11/32
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MFG Part #:
- VL1132
$94.99 -
Isky SBF Solid Lifters SO382H
ISKY CAMS
$446.99If you're building or rebuilding a serious small-block Ford engine, solid lifters demand precision and durability—and the Isky SO382H delivers both. These mechanical flat-tappet lifters are engineered for high-RPM applications where hydraulic lifter...ISKSO382-H- SKU:
- ISKSO382-H
- Availability:
- Ships Same Business Day
- Weight:
- 3.61 LBS
- MFG Part #:
- SO382H
$446.99 -
Isky Chevy Solid Lifters SO202H
ISKY CAMS
$419.99If you're building or rebuilding a classic small-block Chevy engine and demand maximum valve train reliability, solid lifters are non-negotiable. Isky's SO202H lifters deliver consistent, precise valve actuation without the compliance issues that plague...ISKSO202-H- SKU:
- ISKSO202-H
- Availability:
- Ships Same Business Day
- Weight:
- 3.19 LBS
- MFG Part #:
- SO202H
$419.99 -
Isky 1.600 Valve Springs 9999RAD
ISKY CAMS
$553.99Valve spring selection is critical for maintaining consistent lift and preventing float at high RPM—inadequate springs lead to valve train instability and catastrophic engine damage. The Isky 1.600 Valve Springs deliver the aggressive spring rate and...ISK9999-RAD- SKU:
- ISK9999-RAD
- Availability:
- Ships Same Business Day
- Weight:
- 6.24 LBS
- MFG Part #:
- 9999RAD
$553.99 -
Isky 1.600 Dual Rad Valve Springs w/Damper 9998RAD
ISKY CAMS
$640.99High-revving engines demand valve springs that can handle extreme lift and sustained RPM without failure. The Isky 1.600 Dual Rad Valve Springs with Damper deliver the control and reliability you need for aggressive cam profiles, eliminating float and...ISK9998-RAD- SKU:
- ISK9998-RAD
- Availability:
- Ships Same Business Day
- Weight:
- 6.38 LBS
- MFG Part #:
- 9998RAD
$640.99 -
Isky 1.570 Valve Springs 9995RAD
ISKY CAMS
$605.99When you're pushing peak RPMs and demanding maximum valve control, spring rate and stability become non-negotiable. The Isky 1.570 Valve Springs deliver the aggressive 510 lb/in rate needed to keep your valvetrain tight under extreme lift and duration,...ISK9995-RAD- SKU:
- ISK9995-RAD
- Availability:
- Ships Same Business Day
- Weight:
- 6.14 LBS
- MFG Part #:
- 9995RAD
$605.99 -
Isky 1.570 Valve Springs 9995
ISKY CAMS
$486.99Valve spring selection directly impacts your engine's rev capability, reliability, and overall performance ceiling. The Isky 1.570 springs deliver the consistent load rates and damping characteristics needed for high-rpm applications, whether you're...ISK9995- SKU:
- ISK9995
- Availability:
- Ships Same Business Day
- Weight:
- 6.18 LBS
- MFG Part #:
- 9995
$486.99 -
Isky 1.570 Valve Springs 9989RAD
ISKY CAMS
$599.99Valve spring selection is critical for engine reliability at high RPM, and the Isky 1.570 delivers the consistent load rate and damping characteristics needed for aggressive cam profiles without sacrificing durability. Whether you're running a...ISK9989RAD- SKU:
- ISK9989RAD
- Availability:
- Ships Same Business Day
- Weight:
- 5.85 LBS
- MFG Part #:
- 9989RAD
$599.99 -
Isky 1.570 Valve Springs 9988RAD
ISKY CAMS
$572.99When you're pushing your engine to its limits, stock valve springs become a liability. The Isky 1.570 Valve Springs (9988RAD) deliver the consistent lift and precise valve control needed for high-RPM reliability, whether you're building a competition...ISK9988-RAD- SKU:
- ISK9988-RAD
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
- MFG Part #:
- 9988RAD
$572.99Qty in Cart: 0Quantity:Price:$572.99Subtotal: -
Isky 1.570 Dual Valve Spring Set w/Damper (16pk) 9987RADML
ISKY CAMS
$694.99Valve spring durability is critical when pushing your engine to higher RPMs and boost levels—factory springs simply can't handle sustained performance demands. The Isky 1.570 Dual Valve Spring Set delivers the stiffness and reliability required to...ISK9987-RADML- SKU:
- ISK9987-RADML
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
- MFG Part #:
- 9987-RADML
$694.99Qty in Cart: 0Quantity:Price:$694.99Subtotal: -
Isky 1.560 Valve Springs 9985RAD
ISKY CAMS
$558.99High-rpm stability and consistent valve control are critical when pushing your engine to the limit, and undersized or worn valve springs compromise both. The Isky 1.560 Valve Springs deliver the spring rate and damping characteristics needed for...ISK9985-RAD- SKU:
- ISK9985-RAD
- Availability:
- Ships Same Business Day
- Weight:
- 6.05 LBS
- MFG Part #:
- 9985RAD
$558.99 -
Isky 1.560 Valve Springs 9985
ISKY CAMS
$492.99Valve springs are the backbone of reliable power delivery at high RPM, and Isky's 1.560 springs deliver the consistency you need to hold valve timing without float or failure. Built to tool room tolerances, these dual-spring assemblies provide the...ISK9985- SKU:
- ISK9985
- Availability:
- Ships Same Business Day
- Weight:
- 6.12 LBS
- MFG Part #:
- 9985
$492.99 -
Isky 1.560 Valve Springs 9975
ISKY CAMS
$490.99Valve springs are the unsung foundation of any high-revving engine—they're responsible for controlling rocker arm geometry and preventing float at peak RPM. The Isky 1.560 springs deliver the stiffness and consistency you need to maintain precise valve...ISK9975- SKU:
- ISK9975
- Availability:
- Ships Same Business Day
- Weight:
- 5.94 LBS
- MFG Part #:
- 9975
$490.99 -
Isky 1.560 Valve Springs 9965
ISKY CAMS
$491.99Valve spring selection directly impacts cylinder head durability, engine RPM ceiling, and overall reliability under sustained high-load conditions. The Isky 1.560 springs deliver the stiffness and consistency required for aggressive cam profiles and...ISK9965- SKU:
- ISK9965
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
- MFG Part #:
- 9965
$491.99
