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
-
SBC Dished Piston Set 4.030 Bore -12cc KB193.030
KB PERFORMANCE
$396.97If you're building a high-compression Small Block Chevy engine and need reliable pistons that deliver consistent performance without breaking the bank, the KB193.030 dished piston set is a proven choice for both street and competition builds. The...KBPKB193.030- SKU:
- KBPKB193.030
- Availability:
- Ships Same Business Day
- Weight:
- 13.06 LBS
- MFG Part #:
- KB193.030
$396.97 -
SBC Domed Piston Set 4.040 Bore +5cc KB157.040
KB PERFORMANCE
$443.41If you're building or rebuilding an SBC with precision in mind, a quality piston set is non-negotiable. These KB Series domed pistons deliver the compression ratio control and durability you need for forced induction or high-RPM applications, while the...KBPKB157.040- SKU:
- KBPKB157.040
- Availability:
- Ships Same Business Day
- Weight:
- 14.39 LBS
- MFG Part #:
- KB157.040
$443.41Qty in Cart: 0Quantity:Price:$443.41Subtotal: -
SBC Domed Piston Set 4.030 Bore +5cc KB157.030
KB PERFORMANCE
$443.41If you're building or rebuilding a Small Block Chevy with tight tolerances and high compression demands, the KB157.030 domed piston set delivers the combustion chamber volume you need without compromising strength. Hypereutectic construction provides...KBPKB157.030- SKU:
- KBPKB157.030
- Availability:
- Ships Same Business Day
- Weight:
- 14.27 LBS
- MFG Part #:
- KB157.030
$443.41Qty in Cart: 0Quantity:Price:$443.41Subtotal: -
SBC F/T Piston Set 4.060 Bore -7cc KB156.060
KB PERFORMANCE
$433.63If you're building a high-compression Small Block Chevy engine, piston selection directly impacts your compression ratio, combustion efficiency, and overall power output. The KB156.060 F/T piston set delivers the -7cc dome geometry you need for forced...KBPKB156.060- SKU:
- KBPKB156.060
- Availability:
- Ships Same Business Day
- Weight:
- 14.20 LBS
- MFG Part #:
- KB156.060
$433.63 -
SBC Flat Top Piston Set 4.040 Bore -7cc KB156.040
KB PERFORMANCE
$433.63If you're building a high-compression small block Chevy that demands reliability under sustained load, you need pistons engineered for real-world durability—not marketing promises. The KB156.040 delivers the compression ratio you're after while the...KBPKB156.040- SKU:
- KBPKB156.040
- Availability:
- Ships Same Business Day
- Weight:
- 13.84 LBS
- MFG Part #:
- KB156.040
$433.63 -
SBC Flat Top Piston Set 4.030 Bore -7cc KB156.030
KB PERFORMANCE
$433.63Building a high-compression Small Block Chevy engine demands pistons that can handle sustained boost and cylinder pressures without sacrificing reliability. The KB156.030 flat-top design delivers the compression ratio you need while the hypereutectic...KBPKB156.030- SKU:
- KBPKB156.030
- Availability:
- Ships Same Business Day
- Weight:
- 13.79 LBS
- MFG Part #:
- KB156.030
$433.63 -
SBC Dished Piston Set 4.155 Bore -18cc KB147.030
KB PERFORMANCE
$468.42If you're building a high-compression Small Block Chevy engine or need to dial in specific combustion chamber volumes, these dished pistons deliver the compression ratio control and durability you demand. The hypereutectic construction resists wear and...KBPKB147.030- SKU:
- KBPKB147.030
- Availability:
- Ships Same Business Day
- Weight:
- 13.56 LBS
- MFG Part #:
- KB147.030
$468.42Qty in Cart: 0Quantity:Price:$468.42Subtotal: -
SBC Flat Top Piston Set 4.040 Bore -7cc KB134.040
KB PERFORMANCE
$409.48If you're building or refreshing a Small Block Chevy engine, piston selection directly impacts compression ratio, combustion efficiency, and overall reliability. The KB134.040 delivers the precision engineering and material quality needed to withstand...KBPKB134.040- SKU:
- KBPKB134.040
- Availability:
- Ships Same Business Day
- Weight:
- 11.85 LBS
- MFG Part #:
- KB134.040
$409.48 -
SBC Flat Top Piston Set 4.030 Bore -7cc KB134.030
KB PERFORMANCE
$409.48If you're building or rebuilding a Small Block Chevy that demands reliable power delivery and precise compression control, a quality piston set is non-negotiable. The KB134.030 delivers hypereutectic construction and tight tolerances that withstand...KBPKB134.030- SKU:
- KBPKB134.030
- Availability:
- Ships Same Business Day
- Weight:
- 11.81 LBS
- MFG Part #:
- KB134.030
$409.48Qty in Cart: 0Quantity:Price:$409.48Subtotal: -
SBC Flat Top Piston Set 4.040 Bore -7cc KB122.040
KB PERFORMANCE
$407.95If you're building a high-compression Small Block Chevy engine and need to dial in exact displacement and compression ratios, these KB flat-top pistons deliver the precision you're after. The hypereutectic construction provides the durability required...KBPKB122.040- SKU:
- KBPKB122.040
- Availability:
- Ships Same Business Day
- Weight:
- 11.37 LBS
- MFG Part #:
- KB122.040
$407.95 -
SBC Flat Top Piston Set 4.030 Bore -7cc KB122.030
KB PERFORMANCE
$407.95If you're building a high-compression small block Chevy engine, compression ratio is everything—and these flat top pistons deliver the geometry you need for serious horsepower gains. The -7cc dish keeps you in the sweet spot for forced induction...KBPKB122.030- SKU:
- KBPKB122.030
- Availability:
- Ships Same Business Day
- Weight:
- 11.35 LBS
- MFG Part #:
- KB122.030
$407.95 -
SBC Flat Top Piston Set 4.060 Bore -7cc KB120.060
KB PERFORMANCE
$396.97Building a high-compression small block that demands precision and reliability? The SBC Flat Top Piston Set delivers the compression ratio consistency you need for serious performance applications, whether you're targeting peak power in a street engine...KBPKB120.060- SKU:
- KBPKB120.060
- Availability:
- Ships Same Business Day
- Weight:
- 13.93 LBS
- MFG Part #:
- KB120.060
$396.97 -
SBC Flat Top Piston Set 4.040 Bore -7cc KB120.040
KB PERFORMANCE
$396.97Building a Small Block Chevy that demands real power? These hypereutectic flat-top pistons deliver the compression ratio and durability needed for sustained high-RPM performance. Whether you're refreshing a stock engine or pushing forced induction, this...KBPKB120.040- SKU:
- KBPKB120.040
- Availability:
- Ships Same Business Day
- Weight:
- 13.82 LBS
- MFG Part #:
- KB120.040
$396.97 -
SBC Flat Top Piston Set 4.030 Bore -7cc KB120.030
KB PERFORMANCE
$396.97If you're building or rebuilding a Small Block Chevy with serious compression goals, hypereutectic pistons are your foundation—they deliver the durability needed for consistent, high-revving performance without the weight penalty of forged alternatives...KBPKB120.030- SKU:
- KBPKB120.030
- Availability:
- Ships Same Business Day
- Weight:
- 13.71 LBS
- MFG Part #:
- KB120.030
$396.97Qty in Cart: 0Quantity:Price:$396.97Subtotal: -
SBF F/T Piston Set 4.040 Bore -6.5cc KB115.040
KB PERFORMANCE
$432.43If you're building a high-compression Small Block Ford engine, piston selection directly impacts reliability, detonation resistance, and peak horsepower output. The KB115.040 delivers a -6.5cc dome that raises compression ratio while the hypereutectic...KBPKB115.040- SKU:
- KBPKB115.040
- Availability:
- Ships Same Business Day
- Weight:
- 13.79 LBS
- MFG Part #:
- KB115.040
$432.43 -
SBC Flat Top Piston Set 4.155 Bore -5cc 9911HC.030
KB PERFORMANCE
$298.64If you're building a Small Block Chevy engine with compression-focused performance goals, flat-top pistons are essential for maximizing combustion efficiency. The -5cc dome design increases compression ratio without requiring extensive cylinder head...KBP9911HC.030- SKU:
- KBP9911HC.030
- Availability:
- Ships Same Business Day
- Weight:
- 12.06 LBS
- MFG Part #:
- 9911HC.030
$298.64 -
SBC F/T Piston Set 4.040 Bore -5cc 9909HC.040
KB PERFORMANCE
$310.56Building a high-compression SBC engine demands pistons engineered for reliability under extreme conditions. This hypereutectic piston set delivers the compression ratio boost you need while maintaining structural integrity through sustained high-RPM...KBP9909HC.040- SKU:
- KBP9909HC.040
- Availability:
- Ships Same Business Day
- Weight:
- 11.10 LBS
- MFG Part #:
- 9909HC.040
$310.56Qty in Cart: 0Quantity:Price:$310.56Subtotal: -
SBC Flat Top Piston Set 4.030 Bore -5cc 9908HC.030
KB PERFORMANCE
$310.56Building a reliable Small Block Chevy that can handle sustained RPMs and boost demands? A quality piston set is non-negotiable—it's the component that converts combustion into power while enduring extreme heat and pressure. The SBC Flat Top Piston Set 4...KBP9908HC.030- SKU:
- KBP9908HC.030
- Availability:
- Ships Same Business Day
- Weight:
- 11.01 LBS
- MFG Part #:
- 9908HC.030
$310.56 -
SBC Domed Piston Set 4.030 Bore +4cc 9904HC.030
KB PERFORMANCE
$319.73If you're building or refreshing a Small Block Chevy engine, piston selection directly impacts compression ratio, durability, and power output. These SBC domed pistons deliver a +4cc compression bump in a proven hypereutectic design, giving you the...KBP9904HC.030- SKU:
- KBP9904HC.030
- Availability:
- Ships Same Business Day
- Weight:
- 12.47 LBS
- MFG Part #:
- 9904HC.030
$319.73Qty in Cart: 0Quantity:Price:$319.73Subtotal: -
SBC Domed Piston Set 4.030 Bore +14cc 9903HC.030
KB PERFORMANCE
$341.76If you're building a Small Block Chevy that demands reliable compression and consistent performance across the RPM range, these domed pistons deliver the durability of hypereutectic construction with measurable power gains. The +14cc dome raises...KBP9903HC.030- SKU:
- KBP9903HC.030
- Availability:
- Ships Same Business Day
- Weight:
- 12.82 LBS
- MFG Part #:
- 9903HC.030
$341.76
