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
-
Manley 7/16 Moly Pushrod - 8.250 Long 25141-1
MANLEY
$22.72Pushrods are the unsung heroes of your valvetrain—they transmit precise motion from your lifters to your rocker arms, and any flex or deflection directly compromises your engine's efficiency and reliability. The Manley 7/16 Moly Pushrod delivers the...MAN25141-1- SKU:
- MAN25141-1
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- MFG Part #:
- 25141-1
$22.72 -
Manley 10 Degree Titanium Retainers 23661-16
MANLEY
$294.30Valve spring retainers are critical to maintaining consistent spring pressure and preventing valve float at high RPMs—especially in forced induction and naturally aspirated performance builds. Manley's titanium construction reduces reciprocating mass...MAN23661-16- SKU:
- MAN23661-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.74 LBS
- MFG Part #:
- 23661-16
$294.30 -
Manley 10 Degree Titanium Retainers 23660-16
MANLEY
$294.30Valve spring retainers are critical to maintaining precise valve control under extreme RPM and boost conditions—cheap or heavy retainers will fail, costing you an engine and race day. Manley's titanium retainers deliver the weight savings and durability...MAN23660-16- SKU:
- MAN23660-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MFG Part #:
- 23660-16
$294.30 -
Manley 10 Degree Titanium Valve Spring Retainers 23658-16
MANLEY
$294.30Manley's 10-degree titanium valve spring retainers deliver the lightweight strength your high-revving engine demands, reducing reciprocating mass while maintaining superior durability under extreme valve train stress. Precision-engineered for dual-spring...MAN23658-16- SKU:
- MAN23658-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- MFG Part #:
- 23658-16
$294.30 -
Manley 10 Deg Titanium Retainer 23654-16
MANLEY
$294.30Valve spring retainers are critical wear points in high-RPM applications—factory units often can't withstand sustained boost or aggressive cam profiles without failing. Manley's titanium retainers deliver the strength-to-weight ratio necessary for forced...MAN23654-16- SKU:
- MAN23654-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- MFG Part #:
- 23654-16
$294.30 -
Manley 10 Degree Titanium Retainers 23650-16
MANLEY
$294.30Valve spring retainers are critical to engine reliability at high RPM, and Manley's titanium construction delivers the strength-to-weight ratio demanded by serious racers and high-revving builds. By reducing rotating mass while maintaining superior...MAN23650-16- SKU:
- MAN23650-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- MFG Part #:
- 23650-16
$294.30Qty in Cart: 0Quantity:Price:$294.30Subtotal: -
Manley 10 Degree Titanium Retainers 23648-16
MANLEY
$294.30Valve spring retainers are critical to maintaining proper spring seat pressure and preventing valve float under aggressive engine conditions. Manley's titanium construction reduces rotating mass in the cylinder head, allowing higher RPM capability and...MAN23648-16- SKU:
- MAN23648-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.83 LBS
- MFG Part #:
- 23648-16
$294.30 -
Manley 10 Degree Titanium Retainers - 1.550 23644-16
MANLEY
$294.30Valve spring retainers are critical to maintaining precise valve control and preventing spring failure under extreme RPM and boost conditions. Manley's titanium construction delivers a significant weight reduction compared to steel alternatives, allowing...MAN23644-16- SKU:
- MAN23644-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- MFG Part #:
- 23644-16
$294.30Qty in Cart: 0Quantity:Price:$294.30Subtotal: -
Manley 10 Deg Titanium Retainer +.100 23640-16
MANLEY
$294.30Manley's titanium retainers deliver the valve control and reliability demanded by high-RPM competition engines. By reducing mass at the valve train, titanium retainers lower inertia, allowing springs to work more efficiently and enabling higher lift...MAN23640-16- SKU:
- MAN23640-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MFG Part #:
- 23640-16
$294.30 -
Manley 1.650 NexTek Dual Valve Springs 221454-16
MANLEY
$409.74Manley's NexTek dual valve springs deliver the reliability and consistent performance demanded by high-RPM applications. With a 635 lb/in spring rate and precision engineering, these springs maintain valve control under extreme conditions while resisting...MAN221454-16- SKU:
- MAN221454-16
- Availability:
- Ships Same Business Day
- Weight:
- 5.65 LBS
- MFG Part #:
- 221454-16
$409.74 -
Manley 1.550 NexTek Dual Valve Springs 221452SF-16
MANLEY
$807.82Valve spring performance directly impacts your engine's ability to maintain valve control at high RPM, and undersized or worn springs are a common limiting factor in built engines. The Manley 1.550 NexTek Dual Valve Springs deliver a 618 lb/in rate with...MAN221452SF-16- SKU:
- MAN221452SF-16
- Availability:
- Ships Same Business Day
- Weight:
- 5.65 LBS
- MFG Part #:
- 221452SF-16
$807.82 -
Manley 1.580 Dual Valve Springs 221443-16
MANLEY
$529.04Manley's 1.580 Dual Valve Springs deliver the reliability and consistent performance you need for high-RPM applications where stock springs fall short. Built with NexTek technology, these dual springs maintain valve control across aggressive cam profiles...MAN221443-16- SKU:
- MAN221443-16
- Availability:
- Ships Same Business Day
- Weight:
- 5.68 LBS
- MFG Part #:
- 221443-16
$529.04 -
Manley 1.570 Dual Valve Springs 221441P-16
MANLEY
$609.28If you're running a high-revving engine or building a competition platform, valve spring performance directly impacts your ability to maintain accurate valve timing under extreme conditions. Manley's dual-spring design with integral damper technology...MAN221441P-16- SKU:
- MAN221441P-16
- Availability:
- Ships Same Business Day
- Weight:
- 6.55 LBS
- MFG Part #:
- 221441P-16
$609.28 -
Manley 1.570 Dual Valve Springs 221440P-16
MANLEY
$571.59Manley's 1.570 Dual Valve Springs deliver the high-RPM stability and consistent lift needed for sustained performance builds without sacrificing reliability. The dual-spring design with integral damper eliminates harmonic distortion across the rev range,...MAN221440P-16- SKU:
- MAN221440P-16
- Availability:
- Ships Same Business Day
- Weight:
- 6.21 LBS
- MFG Part #:
- 221440P-16
$571.59Qty in Cart: 0Quantity:Price:$571.59Subtotal: -
Manley 1.530 NexTek Dual Valve Springs 221432-16
MANLEY
$468.14High-RPM stability demands valve springs engineered for precision and durability—and Manley's NexTek Dual Springs deliver exactly that. The dual-spring design with integrated damper technology minimizes valve float while maintaining consistent lift...MAN221432-16- SKU:
- MAN221432-16
- Availability:
- Ships Same Business Day
- Weight:
- 5.78 LBS
- MFG Part #:
- 221432-16
$468.14 -
Manley SBC 5.700 Steel Rods 14101-8
MANLEY
$890.08If you're building or rebuilding a small block Chevy engine that needs to handle serious RPM and cylinder pressure, you need connecting rods engineered for reliability under extreme conditions. Manley's Sportsmaster rods deliver the strength and...MAN14101-8- SKU:
- MAN14101-8
- Availability:
- Ships Same Business Day
- Weight:
- 11.43 LBS
- MFG Part #:
- 14101-8
$890.08 -
Manley 10 Degree Valve Locks 13198-16
MANLEY
$77.79Valve locks are a critical, often-overlooked component that directly impacts valvetrain stability and engine reliability at high RPM. Manley's 10-degree valve locks provide the precise geometry and material quality needed to keep your valves seated under...MAN13198-16- SKU:
- MAN13198-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- MFG Part #:
- 13198-16
$77.79 -
Manley 10 Degree Valve Locks 13195-16
MANLEY
$77.79Valve locks are critical to maintaining valve train stability under high RPM and boost conditions—without proper retention, you risk catastrophic valve float and engine damage. Manley's 10-degree valve locks deliver the precision fit and durability...MAN13195-16- SKU:
- MAN13195-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- MFG Part #:
- 13195-16
$77.79 -
Manley 10 Degree Titanium Valve Locks 13194T-16
MANLEY
$187.69Valve locks are critical to maintaining proper valve control under extreme RPM and boost conditions—a single failure can result in catastrophic engine damage. Manley's titanium construction delivers the lightweight strength needed to keep your valvetrain...MAN13194T-16- SKU:
- MAN13194T-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MFG Part #:
- 13194T-16
$187.69 -
Manley 10 Degree Valve Locks 13194-16
MANLEY
$77.79Valve locks are critical components that secure your valve keepers under extreme cylinder pressures and high-RPM operation. Without proper locking geometry, you risk valve float, dropped valves, and catastrophic engine failure. Manley's 10-degree valve...MAN13194-16- SKU:
- MAN13194-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- MFG Part #:
- 13194-16
$77.79
