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
-
Comp Cams Spring Locators - .570 ID 1.635in 4786-16
COMP CAMS
$72.95Valve spring locators are a critical yet often overlooked component that directly impacts the stability and longevity of your valve train. Improper spring seating leads to inconsistent valve control,...COM4786-16- SKU:
- COM4786-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- MFG Part #:
- 4786-16
$72.95 -
Comp Cams Spring Locator 1.550 O.D .570 I.D. .060 Thickness 4785-16
COMP CAMS
$72.95Proper valve spring locating is critical to maintaining consistent seat pressure and preventing valve float across your entire rpm range. Comp Cams Spring Locators ensure precise positioning of your...COM4785-16- SKU:
- COM4785-16
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- MFG Part #:
- 4785-16
$72.95 -
Comp Cams Spring Locator 1.500 O.D .570 I.D. .060 Thickness 4784-16
COMP CAMS
$72.95Valve spring locators are critical components that maintain precise spring seating and prevent unwanted valve float during high-RPM operation. Comp Cams' steel locators ensure consistent spring...COM4784-16- SKU:
- COM4784-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- MFG Part #:
- 4784-16
$72.95 -
Comp Cams Spring Locator 1.550 O.D .630 I.D. .060 Thickness 4783-16
COMP CAMS
$72.95Valve spring locators are critical components that maintain precise spring seating and prevent unwanted spring migration under high RPM conditions. A properly seated spring locator ensures consistent...COM4783-16- SKU:
- COM4783-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- MFG Part #:
- 4783-16
$72.95 -
Comp Cams Spring Locator 1.550 O.D .630 I.D. .060 Thickness 4782-16
COMP CAMS
$72.95Valve spring locators are essential for maintaining consistent spring seat pressure and preventing unwanted valve float at high RPM. The Comp Cams 4782-16 ensures precise positioning of your valve...COM4782-16- SKU:
- COM4782-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
- MFG Part #:
- 4782-16
$72.95 -
Comp Cams Spring Locator 1.550 O.D .570 I.D. .060 Thickness 4781-16
COMP CAMS
$72.95Valve spring locators are a critical foundation for any high-performance cylinder head assembly. Properly positioned springs reduce oscillation, maintain consistent preload, and prevent premature...COM4781-16- SKU:
- COM4781-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.72 LBS
- MFG Part #:
- 4781-16
$72.95 -
Comp Cams Spring Locator 1.550 O.D .630 I.D. .060 Thickness 4780-16
COMP CAMS
$72.95Valve spring locators are critical to maintaining proper spring preload and ensuring consistent valve train geometry across your entire engine build. Misaligned or worn locators compromise spring...COM4780-16- SKU:
- COM4780-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MFG Part #:
- 4780-16
$72.95 -
Comp Cams Spring Locator 1.550 O.D .570 I.D. .060 Thickness 4778-16
COMP CAMS
$72.95Valve spring locators are critical for maintaining proper spring seating and preventing valve float under high RPM conditions. This Comp Cams locator ensures consistent spring pressure and geometry,...COM4778-16- SKU:
- COM4778-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.72 LBS
- MFG Part #:
- 4778-16
$72.95 -
Comp Cams Spring Locator 1.550 O.D .630 I.D. .060 Thickness 4777-16
COMP CAMS
$72.95Valve spring locators are critical for maintaining proper spring seating and preventing unwanted valve train movement under high RPM conditions. Comp Cams' precision-engineered locators ensure...COM4777-16- SKU:
- COM4777-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
- MFG Part #:
- 4777-16
$72.95 -
Comp Cams Spring Locator 1.550 O.D .570 I.D. .060 Thickness 4776-16
COMP CAMS
$72.95Valve spring locators are critical components that maintain proper spring seating and prevent coil bind during high-RPM operation. A quality locator like this Comp Cams unit ensures consistent spring...COM4776-16- SKU:
- COM4776-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- MFG Part #:
- 4776-16
$72.95 -
Comp Cams Spring Locator 1.625 O.D .570 I.D. .060 Thickness 4774-16
COMP CAMS
$72.95Valve spring locators are critical for maintaining consistent spring pressure and preventing coil binding—issues that compromise cam timing accuracy and engine reliability. This Comp Cams set ensures...COM4774-16- SKU:
- COM4774-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.82 LBS
- MFG Part #:
- 4774-16
$72.95 -
Comp Cams Spring Locator 1.540 O.D .640 I.D. .060 Thickness 4773-16
COMP CAMS
$72.95Valve spring locators are critical components that maintain proper spring seating and prevent coil bind during high-RPM operation. Precision-engineered locators ensure consistent valve actuation and...COM4773-16- SKU:
- COM4773-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- MFG Part #:
- 4773-16
$72.95 -
Comp Cams Spring Locator 1.550 O.D .570 I.D. .060 Thickness 4772-16
COMP CAMS
$72.95Valve spring locators are critical for maintaining consistent spring seat pressure and preventing unwanted valve float during high-RPM operation. Without proper locators, your springs can shift or...COM4772-16- SKU:
- COM4772-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- MFG Part #:
- 4772-16
$72.95 -
Comp Cams Spring Locator 1.550 O.D .570 I.D. .060 Thickness 4771-16
COMP CAMS
$72.95Valve spring locators are critical components that maintain precise spring seating and prevent unwanted movement during high-RPM operation. Without proper locating, spring pressure becomes...COM4771-16- SKU:
- COM4771-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- MFG Part #:
- 4771-16
$72.95 -
Comp Cams Spring Locators 1.500 OD .585 ID .060 Thick 4770-16
COMP CAMS
$72.95Valve spring locators are critical precision components that maintain consistent spring seating and prevent lateral movement under high RPM conditions. Improper locator fit or wear leads to valve...COM4770-16- SKU:
- COM4770-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- MFG Part #:
- 4770-16
$72.95 -
Comp Cams 4 Degree Cam Bushing 1/4 5 Pack-copper 47604
COMP CAMS
$22.95Precise camshaft timing is the foundation of any high-performance engine build, and even minor deviations can cost you horsepower and consistency on the track. Comp Cams' degree bushings allow you to...COM47604- SKU:
- COM47604
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- 47604
$22.95 -
Comp Cams 2 Degree Cam Bushing 1/4 5 Pack-Silver 47602
COMP CAMS
$18.95Cam timing precision directly impacts horsepower, torque delivery, and overall engine efficiency—even small adjustments yield measurable gains. Comp Cams' degree bushings allow you to fine-tune...COM47602- SKU:
- COM47602
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 47602
$18.95 -
Comp Cams Cam Degree Bushing Set Kit.Includes 0-2-4-6-8 4760
COMP CAMS
$22.95Camshaft 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...COM4760- SKU:
- COM4760
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 4760
$22.95 -
Comp Cams Spring Locator 1.550 O.D .570 I.D. .040 Thickness 4759-16
COMP CAMS
$72.95Proper 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...COM4759-16- SKU:
- COM4759-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- 4759-16
$72.95 -
Comp Cams 1.500 O.D. Spring Shim Kit 16 Ea .015-.030-.060 4757
COMP CAMS
$34.95Valve 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...COM4757- SKU:
- COM4757
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- MFG Part #:
- 4757
$34.95
