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
-
Shaft Rocker Arm Kit SBC 1.5/1.5 Ratio KSS-415050
JESEL
$1,590.00Maximize your small block Chevy's valve train efficiency with a purpose-built shaft rocker arm kit engineered for serious performance. Full roller design reduces friction and wear while maintaining precise valve actuation, giving you reliable power gains...JESKSS-415050- SKU:
- JESKSS-415050
- Availability:
- Ships Same Business Day
- Weight:
- 18.25 LBS
$1,590.00 -
Shaft Rocker Arm Kit SBC 1.6/1.6 Ratio KSS-406060
JESEL
$1,590.00If you're running AFR Eliminator heads on a small block Chevy, valve train stability directly impacts your engine's ability to deliver consistent power across the RPM band. This shaft-mount rocker arm kit eliminates the compliance issues common to...JESKSS-406060- SKU:
- JESKSS-406060
- Availability:
- Ships Same Business Day
- Weight:
- 18.60 LBS
$1,590.00 -
Shaft Rocker Arm Kit SBC 1.5/1.5 Ratio KSS-335050
JESEL
$1,535.00Shaft-mounted rocker arms deliver superior valvetrain stability and precision over stud-mount designs, especially critical for high-RPM applications where consistency matters. This complete 16-piece kit eliminates the need for sourcing individual...JESKSS-335050- SKU:
- JESKSS-335050
- Availability:
- Ships Same Business Day
- Weight:
- 17.00 LBS
$1,535.00 -
Shaft Rocker Arm Kit LS1/LS6 1.7/1.7 Ratio KSS-317070T
JESEL
$1,690.00Maximizing valve lift and duration is critical for serious LS builds, and shaft-mount rocker arms deliver superior geometry and reliability compared to stud-mounted alternatives. This 1.7:1 ratio kit unlocks additional valve travel on compatible cylinder...JESKSS-317070T- SKU:
- JESKSS-317070T
- Availability:
- Ships Same Business Day
- Weight:
- 14.25 LBS
$1,690.00 -
Sportsman Solid Roller Lifter Set SBC .904 Dia KSL-905820-01
JESEL
$1,775.00A solid roller lifter set eliminates the complexity and maintenance demands of traditional hydraulic lifters, delivering consistent valve actuation cycle after cycle. For small block Chevy builds pushing higher RPMs and aggressive cam profiles, these...JESKSL-905820-01- SKU:
- JESKSL-905820-01
- Availability:
- Ships Same Business Day
- Weight:
- 5.15 LBS
$1,775.00 -
Sportsman Solid Roller Lifter Set SBF .875 Dia KSL-875760-10
JESEL
$1,775.00A solid roller lifter set is essential for any serious small-block Ford build where you need reliable valve actuation without compromises. These mechanical roller lifters deliver consistent lift geometry and reduced friction compared to flat-tappet...JESKSL-875760-10- SKU:
- JESKSL-875760-10
- Availability:
- Ships Same Business Day
- Weight:
- 4.85 LBS
$1,775.00 -
Sportsman Solid Roller Lifter Set GM LS .842 KSL-842760-28
JESEL
$1,775.00Solid roller lifters eliminate lash and valve float at high RPMs, delivering the reliability and precision required for sustained high-performance operation on LS-series engines. This 16-piece Sportsman set provides the mechanical advantage needed for...JESKSL-842760-28- SKU:
- JESKSL-842760-28
- Availability:
- Ships Same Business Day
- Weight:
- 4.75 LBS
$1,775.00 -
Belt Drive SBC w/+.391 Raised Cam Location KBD-31500
JESEL
$1,715.00A belt drive conversion eliminates timing chain wear and stretch, delivering consistent valve timing accuracy across extended engine life. This raised cam location design accommodates popular intake manifold configurations while maintaining optimal belt...JESKBD-31500- SKU:
- JESKBD-31500
- Availability:
- Ships Same Business Day
- Weight:
- 9.00 LBS
$1,715.00 -
Belt Drive SBC w/BBC Crank Snout KBD-31200
JESEL
$1,215.00A belt drive camshaft system eliminates the wear and maintenance headaches of traditional chain drives while delivering superior valve timing precision under high RPM conditions. The KBD-31200 is engineered for small block Chevy applications with a BBC...JESKBD-31200- SKU:
- JESKBD-31200
- Availability:
- Ships Same Business Day
- Weight:
- 6.80 LBS
$1,215.00 -
Belt Drive SBC KBD-31000
JESEL
$1,195.00A belt drive conversion eliminates the reliability issues inherent to traditional chain systems while delivering consistent timing accuracy across high-RPM applications. The KBD-31000 is engineered for Small Block Chevy engines, offering a bolt-on...JESKBD-31000- SKU:
- JESKBD-31000
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
$1,195.00 -
Piston Ring Set 4.130 Bore .043 .043 3mm J71408-4130-5
JE PISTONS
$299.99Piston ring failure is one of the fastest ways to lose compression and power in a high-rev engine. This premium race series set delivers the durability and precision fit required for sustained performance under extreme cylinder pressure and temperature...JEPJ71408-4130-5- SKU:
- JEPJ71408-4130-5
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$299.99 -
SBC Domed Piston Set 4.125 Bore +10.8cc 301475
JE PISTONS
$1,099.99Building a high-compression small block that can handle boost or naturally aspirated power demands forged pistons engineered for durability under extreme combustion pressures. These SBC domed pistons deliver the compression ratio and ring stability your...JEP301475- SKU:
- JEP301475
- Availability:
- Ships Same Business Day
- Weight:
- 12.80 LBS
$1,099.99Qty in Cart: 0Quantity:Price:$1,099.99Subtotal: -
SBC Domed Piston Set 4.000 Bore +13.5cc 217240
JE PISTONS
$974.99Building a high-compression small block that demands precision and reliability? These SBC domed pistons deliver the exact displacement and compression geometry you need for forced induction or naturally aspirated performance. The +13.5cc dome provides...JEP217240- SKU:
- JEP217240
- Availability:
- Ships Same Business Day
- Weight:
- 13.45 LBS
$974.99 -
SBC Domed Piston Set 4.125 Bore +3.3cc 213109
JE PISTONS
$1,024.99Building a high-compression SBC engine demands pistons engineered for both durability and peak combustion efficiency. These domed pistons deliver the compression ratio and quench clearance you need for aggressive ignition timing and maximum cylinder...JEP213109- SKU:
- JEP213109
- Availability:
- Ships Same Business Day
- Weight:
- 15.00 LBS
$1,024.99Qty in Cart: 0Quantity:Price:$1,024.99Subtotal: -
SBC Forged FT Piston Set 4.165 Bore -4.3cc 181941
JE PISTONS
$974.99Building a high-compression Small Block Chevy engine or refreshing a tired short block? These forged pistons deliver the durability and precision required for sustained high-RPM operation. The 23-degree flat-top design optimizes combustion chamber...JEP181941- SKU:
- JEP181941
- Availability:
- Ships Same Business Day
- Weight:
- 13.70 LBS
$974.99 -
1.470 Dual Valve Spring Kit - w/Damper 98445-K12
HOWARDS RACING COMPONENTS
$242.99High-RPM stability and consistent valve control demand a dual spring setup that can handle sustained load cycles without fatigue or float. This 1.470 OD dual valve spring kit with damper delivers the pressure retention and harmonics management required...HRC98445-K12- SKU:
- HRC98445-K12
- Availability:
- Ships Same Business Day
- Weight:
- 5.58 LBS
$242.99 -
SBC Solid Roller Cam 111013-10
HOWARDS RACING COMPONENTS
$543.99A solid roller cam is the foundation of a high-revving small block Chevy build that demands reliability and consistent valve actuation under extreme conditions. This mechanical roller design eliminates the wear patterns of flat-tappet cams, delivering...HRC111013-10- SKU:
- HRC111013-10
- Availability:
- Ships Same Business Day
- Weight:
- 8.70 LBS
$543.99 -
Chevrolet Performance Clamp - Distributor Hold Down 19433111
CHEVROLET PERFORMANCE
$8.49A loose distributor is a tuning nightmare—it throws off ignition timing and kills reliability on the track or street. The Chevrolet Performance Clamp secures your distributor with precision, keeping spark timing locked in place where it belongs. For any...GMP19433111- SKU:
- GMP19433111
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$8.49 -
Chevrolet Performance Aluminum Rocker Arm Kit 1.50 Ratio 19432298
CHEVROLET PERFORMANCE
$574.56If you're building or refreshing a Small Block Chevy engine, rocker arms are the unsung heroes that directly transfer camshaft motion to your valvetrain—and cheap ones will cost you reliability and power. These Chevrolet Performance aluminum rocker arms...GMP19432298- SKU:
- GMP19432298
- Availability:
- Ships Same Business Day
- Weight:
- 7.10 LBS
$574.56 -
Chevrolet Performance SBC Fastburn Cylinder Head Assem. 3rd Design 19417592
CHEVROLET PERFORMANCE
$1,514.84The Chevrolet Performance SBC Fastburn Cylinder Head Assembly delivers measurable gains in combustion efficiency and peak horsepower for small block Chevy engines. The Fast Burn design optimizes flame propagation across the combustion chamber,...GMP19417592- SKU:
- GMP19417592
- Availability:
- Ships Same Business Day
- Weight:
- 24.10 LBS
$1,514.84
