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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Comp Cams Cam Degree Bushing Set Kit.Includes 0-2-4-6-8 4760
COMP CAMS
$20.95Camshaft timing is critical to engine performance, and precise degree adjustments unlock horsepower, improve throttle response, and optimize power delivery across your RPM range. This Comp Cams bushing set gives you the flexibility to dial in your cam...COM4760- SKU:
- COM4760
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 4760
$20.95 -
Comp Cams Spring Locator 1.550 O.D .570 I.D. .040 Thickness 4759-16
COMP CAMS
$68.95Proper valve spring locator positioning is critical for maintaining consistent spring preload and preventing valve float at high RPM. Comp Cams spring locators ensure precise spring seating on your cylinder head, directly impacting engine reliability and...COM4759-16- SKU:
- COM4759-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- 4759-16
$68.95 -
Comp Cams 1.500 O.D. Spring Shim Kit 16 Ea .015-.030-.060 4757
COMP CAMS
$44.95Valve spring preload directly impacts cam lift, duration, and overall engine responsiveness—and even small discrepancies can cause valve float or reduce performance. The Comp Cams 1.500 O.D. Spring Shim Kit gives you precise control over spring pressure...COM4757- SKU:
- COM4757
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- MFG Part #:
- 4757
$44.95Qty in Cart: 0Quantity:Price:$44.95Subtotal: -
Comp Cams 1.640 O.D. Spring Shim Kit 16 Ea .015-.030-.060 4756
COMP CAMS
$44.95Valve spring shims are critical for dialing in the correct spring pressure on your cylinder head—too much pressure causes premature wear, too little invites valve float and catastrophic failure. This Comp Cams kit gives you three shim thicknesses in a...COM4756- SKU:
- COM4756
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- MFG Part #:
- 4756
$44.95 -
Comp Cams 1.480 O.D. Spring Shim Kit 16 Ea .015-.030-.060 4755
COMP CAMS
$44.95Valve spring shimming is critical for maintaining proper seat pressure across your entire RPM band—too little pressure causes valve float and power loss, too much accelerates component wear. This Comp Cams shim kit gives you the precision adjustment...COM4755- SKU:
- COM4755
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- MFG Part #:
- 4755
$44.95Qty in Cart: 0Quantity:Price:$44.95Subtotal: -
Comp Cams 1.437 O.D. Spring Shim Kit 16 Ea .015-.030-.060 4754
COMP CAMS
$44.95Valve spring shim selection is critical for maintaining proper seat pressure and preventing valve float in high-RPM applications. This Comp Cams shim kit gives you precision thickness options to fine-tune your spring preload without replacing entire...COM4754- SKU:
- COM4754
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- MFG Part #:
- 4754
$44.95 -
Comp Cams 1.250 O.D. Spring Shim Kit 16 Ea .015-.030-.060 4753
COMP CAMS
$44.95Valve spring shimming is critical for maintaining proper spring pressure across your entire RPM range—too little pressure causes valve float and loss of power, while too much accelerates component wear. This Comp Cams shim kit gives you the precision...COM4753- SKU:
- COM4753
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MFG Part #:
- 4753
$44.95 -
Comp Cams 1.69in Valve Spring Seat Cups 4708-16
COMP CAMS
$135.95Valve spring seat cups are critical for maintaining consistent spring pressure and preventing seat migration during high-RPM operation. Comp Cams' precision-machined design ensures proper locator fit and durability under sustained load, essential for any...COM4708-16- SKU:
- COM4708-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.83 LBS
- MFG Part #:
- 4708-16
$135.95 -
Comp Cams Spring Seat Cup .060 .640 O.D. 1.580 I.D. 4704-16
COMP CAMS
$68.95Valve spring seat cups are critical locators that prevent spring migration and ensure consistent valve train geometry under high RPM loads. A worn or improperly seated cup compromises spring preload, leading to valve float and catastrophic engine damage...COM4704-16- SKU:
- COM4704-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.78 LBS
- MFG Part #:
- 4704-16
$68.95 -
Comp Cams Spring Seat Cup .060 .640 I.D. 1.740 O.D. 4702-16
COMP CAMS
$68.95Proper valve spring locating is critical to maintaining correct spring pressure and preventing catastrophic valve float at high RPM. These Comp Cams spring seat cups ensure consistent seating geometry and support, which directly impacts cylinder head...COM4702-16- SKU:
- COM4702-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MFG Part #:
- 4702-16
$68.95 -
Comp Cams Spring Seat Cup .060 .640 I.D./1.680 O.D. 4700-16
COMP CAMS
$68.95Valve spring seat cups are critical components that locate and support your valve springs with precision—improper seating leads to spring bind, valve float, and catastrophic engine failure. The Comp Cams Spring Seat Cup (.060" thickness, .640" I.D./1...COM4700-16- SKU:
- COM4700-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MFG Part #:
- 4700-16
$68.95 -
Comp Cams Valve Spring Locator for #26120 .570in ID 4696-16
COMP CAMS
$68.95Valve spring locators are critical for maintaining precise spring geometry and preventing unwanted lateral movement during high-RPM operation. A properly seated locator ensures consistent valve lift and reduces the risk of spring binding, which can lead...COM4696-16- SKU:
- COM4696-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- MFG Part #:
- 4696-16
$68.95 -
Comp Cams SBC/BBC Cam Locking Plate 4605
COMP CAMS
$10.95Securing your camshaft during installation is non-negotiable for engine reliability and timing accuracy. The Comp Cams SBC/BBC Cam Locking Plate prevents unwanted shaft movement that can compromise valve timing and cause catastrophic engine damage. This...COM4605- SKU:
- COM4605
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MFG Part #:
- 4605
$10.95 -
Comp Cams SB Ford Stud Girdle 7/16 Stud Standard Head 4014
COMP CAMS
$289.95A quality rocker arm stud girdle is essential for maintaining consistent valve train geometry under high-rpm loads and boost conditions. The Comp Cams SB Ford Stud Girdle eliminates flex and deflection in your rocker arm assembly, directly translating to...COM4014- SKU:
- COM4014
- Availability:
- Ships Same Business Day
- Weight:
- 6.26 LBS
- MFG Part #:
- 4014
$289.95Qty in Cart: 0Quantity:Price:$289.95Subtotal: -
Comp Cams Sbc Stud Girdle 7/16 Stud Solid Bar Design 4009
COMP CAMS
$289.95Rocker arm stud girdles are essential for maintaining consistent valve train geometry under high RPM and boost conditions—preventing stud deflection that compromises valvetrain stability and power delivery. Comp Cams' solid bar design provides superior...COM4009- SKU:
- COM4009
- Availability:
- Ships Same Business Day
- Weight:
- 6.42 LBS
- MFG Part #:
- 4009
$289.95 -
Comp Cams Sbc Stud Girdle 7/16 Stud Spring Loaded Type 4004
COMP CAMS
$316.95Rocker arm stud girdles are essential for maintaining consistent valve train geometry and preventing stud deflection under high RPM loads. The Comp Cams SBC Stud Girdle eliminates unwanted movement that can compromise valve timing accuracy and reduce...COM4004- SKU:
- COM4004
- Availability:
- Ships Same Business Day
- Weight:
- 8.19 LBS
- MFG Part #:
- 4004
$316.95 -
Comp Cams SBC Roller Cam Bearing Kit 350RCB-KIT
COMP CAMS
$119.95Roller cam bearings are critical to reliable high-RPM operation—they reduce friction, lower parasitic drag, and extend engine life compared to standard flat-tappet designs. If you're running a serious small-block build, this Comp Cams kit delivers...COM350RCB-KIT- SKU:
- COM350RCB-KIT
- Availability:
- Ships Same Business Day
- Weight:
- 1.07 LBS
- MFG Part #:
- 350RCB-KIT
$119.95 -
Comp Cams Sbc Hi-Tech Roller Tim/ Set Wo/Fac Roller Cam 3100
COMP CAMS
$83.95A timing chain set is fundamental to engine synchronization—it directly controls your camshaft's relationship to the crankshaft, and any slop or wear will kill both power and reliability. The Comp Cams Hi-Tech Roller is engineered with a double-roller...COM3100- SKU:
- COM3100
- Availability:
- Ships Same Business Day
- Weight:
- 3.17 LBS
- MFG Part #:
- 3100
$83.95 -
Comp Cams Aluminum Timing Cover - SBC 3pc. 310
COMP CAMS
$290.95A quality timing cover protects your engine's most critical components while reducing parasitic drag and heat loss. This Comp Cams three-piece aluminum design delivers lightweight construction without sacrificing durability, making it an ideal upgrade...COM310- SKU:
- COM310
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
- MFG Part #:
- 310
$290.95Qty in Cart: 0Quantity:Price:$290.95Subtotal: -
Comp Cams Ford V8 Solid Lifters - Performance Series 2910-16
COMP CAMS
$173.95Solid lifters are essential for high-RPM Ford V8 applications where valve train stability and durability are non-negotiable. Unlike hydraulic lifters, these mechanical flat tappet lifters eliminate oil dependency and deliver consistent valve actuation...COM2910-16- SKU:
- COM2910-16
- Availability:
- Ships Same Business Day
- Weight:
- 3.61 LBS
- MFG Part #:
- 2910-16
$173.95Qty in Cart: 0Quantity:Price:$173.95Subtotal:
