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
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- Price
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Manley 10 Degree Bead Loc Valve Locks 13161-8
MANLEY
$35.00Valve 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...MAN13161-8- SKU:
- MAN13161-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MFG Part #:
- 13161-8
$35.00 -
Manley 10 Degree Bead Loc Valve Locks 13160-8
MANLEY
$35.00Valve 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...MAN13160-8- SKU:
- MAN13160-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- MFG Part #:
- 13160-8
$35.00 -
Manley 10 Degree Valve Locks - +.050in 13152-8
MANLEY
$35.00Valve 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...MAN13152-8- SKU:
- MAN13152-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- 13152-8
$35.00 -
Manley 10 Degree Titanium Valve Locks 13151T-8
MANLEY
$84.46Valve 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...MAN13151T-8- SKU:
- MAN13151T-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 13151T-8
$84.46Qty in Cart: 0Quantity:Price:$84.46Subtotal: -
Manley 10 Degree Valve Locks 13151-8
MANLEY
$35.00Valve 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...MAN13151-8- SKU:
- MAN13151-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MFG Part #:
- 13151-8
$35.00 -
Manley 10 Degree Bead Loc Valve Locks 5/16 -.050 13150-8
MANLEY
$35.00Valve 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...MAN13150-8- SKU:
- MAN13150-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- 13150-8
$35.00 -
Manley 10 Degree Valve Locks 13097-16
MANLEY
$70.01Valve 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...MAN13097-16- SKU:
- MAN13097-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
- MFG Part #:
- 13097-16
$70.01 -
Manley 10 Degree Valve Locks 13096-16
MANLEY
$70.01Valve 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...MAN13096-16- SKU:
- MAN13096-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
- MFG Part #:
- 13096-16
$70.01 -
Manley 7 Degree Valve Locks 8mm GM LS1/LT1 -.050 13094-16
MANLEY
$70.01Valve 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...MAN13094-16- SKU:
- MAN13094-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MFG Part #:
- 13094-16
$70.01Qty in Cart: 0Quantity:Price:$70.01Subtotal: -
Manley 7 Degree Super Valve Locks 13084-16
MANLEY
$70.01Valve 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...MAN13084-16- SKU:
- MAN13084-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- 13084-16
$70.01 -
Manley 7 Degree Valve Locks 13083-16
MANLEY
$70.01Valve 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...MAN13083-16- SKU:
- MAN13083-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- MFG Part #:
- 13083-16
$70.01 -
Manley Super 7 Valve Locks - .050in 13081-16
MANLEY
$70.01Valve 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...MAN13081-16- SKU:
- MAN13081-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
- MFG Part #:
- 13081-16
$70.01 -
Manley Super 7 Valve Locks 13080-16
MANLEY
$70.01Valve 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...MAN13080-16- SKU:
- MAN13080-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- MFG Part #:
- 13080-16
$70.01 -
Manley Super 7 Valve Locks - +.050in 13062-8
MANLEY
$43.43Valve 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...MAN13062-8- SKU:
- MAN13062-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MFG Part #:
- 13062-8
$43.43 -
Manley Super 7 Bead Loc Valve Locks 13061-8
MANLEY
$43.43Valve 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...MAN13061-8- SKU:
- MAN13061-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- MFG Part #:
- 13061-8
$43.43 -
Manley Super 7 Bead Loc Valve Locks 11/32 -.050 13060-8
MANLEY
$43.43Valve 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...MAN13060-8- SKU:
- MAN13060-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- 13060-8
$43.43 -
Manley Super 7 Bead Loc Valve Locks +.050in 13052-8
MANLEY
$43.43Valve 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...MAN13052-8- SKU:
- MAN13052-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- MFG Part #:
- 13052-8
$43.43 -
Manley 7 Degree Super Valve Locks - Bead Loc 13051-8
MANLEY
$43.43Valve lock failure is a catastrophic engine event—it leads to dropped valves, bent pushrods, and bent valves that destroy your entire cylinder head. Manley's 7 Degree Super Valve Locks eliminate this...MAN13051-8- SKU:
- MAN13051-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MFG Part #:
- 13051-8
$43.43 -
Manley Super 7 Bead Loc Valve Locks 5/16 -.050 13050-8
MANLEY
$43.43Valve lock failure is a catastrophic failure mode that can result in dropped valves and complete engine damage. Manley's Super 7 Bead Loc design provides secure retention across high RPM...MAN13050-8- SKU:
- MAN13050-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 13050-8
$43.43 -
Manley SBC S/D 1.940in Intake Valves 11886-8
MANLEY
$280.33Manley's Severe Duty intake valves are engineered for high-RPM Small Block Chevy applications where stock components simply can't survive sustained performance demands. Built from premium stainless...MAN11886-8- SKU:
- MAN11886-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.38 LBS
- MFG Part #:
- 11886-8
$280.33Qty in Cart: 0Quantity:Price:$280.33Subtotal:
