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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Manley 10 Degree Valve Locks - 7mm Bead Loc 13170-8
MANLEY
$38.89Valve locks are the critical component that keeps your valve springs properly seated under extreme load—and Manley's 10-degree locks are engineered for reliability in high-RPM, forced-induction environments where failure isn't an option. Whether you're...MAN13170-8- SKU:
- MAN13170-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MFG Part #:
- 13170-8
$38.89 -
Manley 10 Degree Bead Loc Valve Locks +.050in 13162-8
MANLEY
$38.89Valve locks are critical components that keep your valve retainers securely seated under extreme combustion pressures and high RPM conditions. Manley's 10-degree bead loc design provides superior retention geometry, while the +.050" height specification...MAN13162-8- SKU:
- MAN13162-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- 13162-8
$38.89Qty in Cart: 0Quantity:Price:$38.89Subtotal: -
Manley 10 Degree Titanium Valve Locks 13161T-8
MANLEY
$93.84Valve locks are critical components that keep your valvetrain stable under extreme RPM and boost conditions—failure means catastrophic engine damage. Manley's titanium locks combine lightweight construction with superior strength, reducing rotational...MAN13161T-8- SKU:
- MAN13161T-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 13161T-8
$93.84 -
Manley 10 Degree Bead Loc Valve Locks 13161-8
MANLEY
$38.89Valve locks are a critical component in high-revving engines—they keep your valve retainers securely seated under extreme load and prevent catastrophic valve float. Manley's 10 Degree Bead Loc design provides the geometry and steel construction your...MAN13161-8- SKU:
- MAN13161-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MFG Part #:
- 13161-8
$38.89 -
Manley 10 Degree Bead Loc Valve Locks 13160-8
MANLEY
$38.89Valve locks are critical to high-RPM engine reliability—they keep your valve retainers securely seated under extreme loads and vibration. Manley's 10-degree bead lock design provides superior holding power with reduced height, making them ideal for...MAN13160-8- SKU:
- MAN13160-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- MFG Part #:
- 13160-8
$38.89Qty in Cart: 0Quantity:Price:$38.89Subtotal: -
Manley 10 Degree Valve Locks - +.050in 13152-8
MANLEY
$38.89Valve locks are a critical component in high-revving engines, and running the correct geometry ensures your valvetrain stays secure under extreme conditions. Manley's 10-degree locks with +.050in additional height are engineered for applications where...MAN13152-8- SKU:
- MAN13152-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- 13152-8
$38.89 -
Manley 10 Degree Titanium Valve Locks 13151T-8
MANLEY
$93.84Valve locks are a critical interface between your valve stem and rocker arm—any play or failure here means catastrophic engine damage. Manley's titanium locks deliver the strength of premium materials with a 10-degree geometry designed to maintain...MAN13151T-8- SKU:
- MAN13151T-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 13151T-8
$93.84 -
Manley 10 Degree Valve Locks 13151-8
MANLEY
$38.89Valve locks are critical components that keep your valve spring retainers securely seated under extreme loads—without them, you risk catastrophic valve float and engine failure at high RPM. Manley's 10-degree valve locks are precision-engineered steel...MAN13151-8- SKU:
- MAN13151-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MFG Part #:
- 13151-8
$38.89 -
Manley 10 Degree Bead Loc Valve Locks 5/16 -.050 13150-8
MANLEY
$38.89Valve lock failure is one of the fastest ways to turn a reliable engine into a catastrophic failure. Manley's 10 Degree Bead Loc Valve Locks provide the precision retention your high-RPM builds demand, keeping your valve train secure under extreme loads...MAN13150-8- SKU:
- MAN13150-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- 13150-8
$38.89 -
Manley 10 Degree Valve Locks 13097-16
MANLEY
$77.79Valve locks are critical to maintaining proper valve train geometry under high RPM and boost conditions—any slippage results in catastrophic engine failure. Manley's 10-degree valve locks deliver the precision fit and material quality required for forced...MAN13097-16- SKU:
- MAN13097-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
- MFG Part #:
- 13097-16
$77.79 -
Manley 10 Degree Valve Locks 13096-16
MANLEY
$77.79Valve locks are a critical component in high-rpm applications—they keep your valve retainers seated and prevent catastrophic valve float that can destroy your engine. Manley's 10-degree valve locks provide the secure, consistent engagement your engine...MAN13096-16- SKU:
- MAN13096-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
- MFG Part #:
- 13096-16
$77.79 -
Manley 7 Degree Valve Locks 8mm GM LS1/LT1 -.050 13094-16
MANLEY
$77.79Valve locks are critical to high-RPM engine reliability—they're the only thing keeping your valve train intact under extreme load and combustion pressure. Manley's 7-degree locks deliver precision engineering with a reduced-height design that optimizes...MAN13094-16- SKU:
- MAN13094-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MFG Part #:
- 13094-16
$77.79 -
Manley 7 Degree Super Valve Locks 13084-16
MANLEY
$77.79Valve locks are a critical yet often overlooked component that directly impacts engine reliability and valvetrain stability. Manley's 7 Degree Super Valve Locks deliver enhanced geometry and increased clamping force to prevent valve float and lock...MAN13084-16- SKU:
- MAN13084-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- 13084-16
$77.79 -
Manley 7 Degree Valve Locks 13083-16
MANLEY
$77.79Valve locks are critical to maintaining proper valve train geometry and preventing valve float at high RPM—especially in forced induction or solid-lifter applications where spring pressures demand precision. Manley's 7-degree geometry locks provide the...MAN13083-16- SKU:
- MAN13083-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- MFG Part #:
- 13083-16
$77.79 -
Manley Super 7 Valve Locks - .050in 13081-16
MANLEY
$77.79Valve locks are critical to high-RPM engine stability—a failure here means catastrophic valve float and potential engine damage. The Manley Super 7 delivers the security of a reduced-height design that clears modern rocker geometries while maintaining...MAN13081-16- SKU:
- MAN13081-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
- MFG Part #:
- 13081-16
$77.79 -
Manley Super 7 Valve Locks 13080-16
MANLEY
$77.79Valve locks are critical to maintaining proper valve train geometry under extreme RPM and boost conditions—a single failure can result in catastrophic engine damage. The Manley Super 7 Valve Locks deliver precise 7-degree geometry to secure your valves...MAN13080-16- SKU:
- MAN13080-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- MFG Part #:
- 13080-16
$77.79 -
Manley Super 7 Valve Locks - +.050in 13062-8
MANLEY
$48.26Valve locks are critical to engine reliability—without proper retention, your valve train risks catastrophic failure at high RPM. The Manley Super 7 Valve Locks deliver the security and precision fit your high-revving engine demands, with the extra +...MAN13062-8- SKU:
- MAN13062-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MFG Part #:
- 13062-8
$48.26 -
Manley Super 7 Bead Loc Valve Locks 13061-8
MANLEY
$48.26Valve locks are a critical interface between your valve spring and stem—any slippage or failure here results in catastrophic engine damage. The Manley Super 7 Bead Loc Valve Locks deliver proven retention with a 7-degree locking geometry that grips...MAN13061-8- SKU:
- MAN13061-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- MFG Part #:
- 13061-8
$48.26 -
Manley Super 7 Bead Loc Valve Locks 11/32 -.050 13060-8
MANLEY
$48.26Valve locks are critical to maintaining consistent valve train geometry under high RPM and aggressive lift conditions—any movement or failure here cascades into catastrophic engine damage. Manley's Super 7 Bead Loc design eliminates valve stem slippage...MAN13060-8- SKU:
- MAN13060-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- 13060-8
$48.26 -
Manley Super 7 Bead Loc Valve Locks +.050in 13052-8
MANLEY
$48.26Valve locks are critical to keeping your valvetrain intact under high RPM and boost conditions—failure here means catastrophic engine damage. Manley's Super 7 Bead Loc design uses a proven 7-degree locking geometry to eliminate valve stem slippage and...MAN13052-8- SKU:
- MAN13052-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- MFG Part #:
- 13052-8
$48.26Qty in Cart: 0Quantity:Price:$48.26Subtotal:
