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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Rod Bearing Set KEBCR807HPN011
KING BEARINGS
$76.99Rod Bearing Set Connecting Rod Bearing - HP - 0.011 in Undersize - Narrowed - Small Block Chevy - KitKEBCR807HPN011- SKU:
- KEBCR807HPN011
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- CR 807HPN 011
$76.99 -
Rod Bearing Set KEBCR807HPN010
KING BEARINGS
$72.99Rod Bearing Set Connecting Rod Bearing - HP - 0.010 in Undersize - Narrowed - Small Block Chevy - KitKEBCR807HPN010- SKU:
- KEBCR807HPN010
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- MFG Part #:
- CR 807HPN 010
$72.99 -
Rod Bearing Set KEBCR807HPN001
KING BEARINGS
$76.99Rod Bearing Set Connecting Rod Bearing - HP - 0.001 in Undersize - Narrowed - Small Block Chevy - KitKEBCR807HPN001- SKU:
- KEBCR807HPN001
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
- MFG Part #:
- CR 807HPN 001
$76.99Qty in Cart: 0Quantity:Price:$76.99Subtotal: -
Rod Bearing Set CR 807HPN
KING BEARINGS
$69.99Rod Bearing Set Connecting Rod BearingHPStandardNarrowedSmall Block ChevyKitKEBCR807HPN- SKU:
- KEBCR807HPN
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MFG Part #:
- CR 807HPN
$69.99 -
SBC Dished Piston Set 4.030 Bore -12cc KB193.030
KB PERFORMANCE
$334.15SBC Dished Piston Set 4.030 Bore -12ccPistonKB SeriesHypereutectic4.030 in Bore5/64 x 5/64 x 3/16 in Ring GroovesMinus 12.0 ccSmall Block ChevySet of 8KBPKB193.030- SKU:
- KBPKB193.030
- Availability:
- Ships Same Business Day
- Weight:
- 13.06 LBS
- MFG Part #:
- KB193.030
$334.15 -
SBC Domed Piston Set 4.040 Bore +5cc KB157.040
KB PERFORMANCE
$373.24SBC Domed Piston Set 4.040 Bore +5ccPistonKB SeriesHypereutectic4.040 in Bore5/64 x 5/64 x 3/16 in Ring GroovesPlus 0.5 ccSmall Block ChevySet of 8KBPKB157.040- SKU:
- KBPKB157.040
- Availability:
- Ships Same Business Day
- Weight:
- 14.39 LBS
- MFG Part #:
- KB157.040
$373.24 -
SBC Domed Piston Set 4.030 Bore +5cc KB157.030
KB PERFORMANCE
$373.24SBC Domed Piston Set 4.030 Bore +5ccPistonKB SeriesHypereutectic4.030 in Bore5/64 x 5/64 x 3/16 in Ring GroovesPlus 0.5 ccSmall Block ChevySet of 8KBPKB157.030- SKU:
- KBPKB157.030
- Availability:
- Ships Same Business Day
- Weight:
- 14.27 LBS
- MFG Part #:
- KB157.030
$373.24Qty in Cart: 0Quantity:Price:$373.24Subtotal: -
SBC F/T Piston Set 4.060 Bore -7cc KB156.060
KB PERFORMANCE
$365.01SBC F/T Piston Set 4.060 Bore -7ccPistonKB SeriesHypereutectic4.060 in Bore5/64 x 5/64 x 3/16 in Ring GroovesMinus 7.0 ccSmall Block ChevySet of 8KBPKB156.060- SKU:
- KBPKB156.060
- Availability:
- Ships Same Business Day
- Weight:
- 14.20 LBS
- MFG Part #:
- KB156.060
$365.01Qty in Cart: 0Quantity:Price:$365.01Subtotal: -
SBC Flat Top Piston Set 4.040 Bore -7cc KB156.040
KB PERFORMANCE
$365.01SBC Flat Top Piston Set 4.040 Bore -7cc (KB156.040) High-performance piston set designed for small block Chevy engines KB Series hypereutectic construction for enhanced durability Precision 4.040-inch bore for optimal engine performance Features 5/64 x...KBPKB156.040- SKU:
- KBPKB156.040
- Availability:
- Ships Same Business Day
- Weight:
- 13.84 LBS
- MFG Part #:
- KB156.040
$365.01 -
SBC Flat Top Piston Set 4.030 Bore -7cc KB156.030
KB PERFORMANCE
$365.01SBC Flat Top Piston Set 4.030 Bore -7cc KB156.030 High-performance piston set designed for Small Block Chevy engines KB Series for enhanced durability and performance Constructed from hypereutectic aluminum for superior strength Precision 4.030-inch...KBPKB156.030- SKU:
- KBPKB156.030
- Availability:
- Ships Same Business Day
- Weight:
- 13.79 LBS
- MFG Part #:
- KB156.030
$365.01 -
SBC Dished Piston Set 4.155 Bore -18cc KB147.030
KB PERFORMANCE
$394.30SBC Dished Piston Set 4.155 Bore -18ccPistonKB SeriesHypereutectic4.155 in Bore5/64 x 5/64 x 3/16 in Ring GroovesMinus 18.0 ccSmall Block ChevySet of 8KBPKB147.030- SKU:
- KBPKB147.030
- Availability:
- Ships Same Business Day
- Weight:
- 13.56 LBS
- MFG Part #:
- KB147.030
$394.30 -
SBC Flat Top Piston Set 4.040 Bore -7cc KB134.040
KB PERFORMANCE
$344.68SBC Flat Top Piston Set 4.040 Bore -7cc (KB134.040) Precision-engineered flat top pistons for optimal performance Part of the renowned KB Series, known for durability Constructed from hypereutectic materials for enhanced strength Designed for a 4...KBPKB134.040- SKU:
- KBPKB134.040
- Availability:
- Ships Same Business Day
- Weight:
- 11.85 LBS
- MFG Part #:
- KB134.040
$344.68 -
SBC Flat Top Piston Set 4.030 Bore -7cc KB134.030
KB PERFORMANCE
$344.68SBC Flat Top Piston Set 4.030 Bore -7cc KB134.030 High-performance piston set designed for Small Block Chevy engines KB Series for enhanced durability and efficiency Made from hypereutectic aluminum for superior strength Precision 4.030-inch bore for...KBPKB134.030- SKU:
- KBPKB134.030
- Availability:
- Ships Same Business Day
- Weight:
- 11.81 LBS
- MFG Part #:
- KB134.030
$344.68 -
SBC Flat Top Piston Set 4.040 Bore -7cc KB122.040
KB PERFORMANCE
$343.39SBC Flat Top Piston Set 4.040 Bore -7ccPistonKB SeriesHypereutectic4.040 in Bore1/16 x 1/16 x 3/16 in Ring GroovesMinus 7.0 ccSmall Block ChevySet of 8KBPKB122.040- SKU:
- KBPKB122.040
- Availability:
- Ships Same Business Day
- Weight:
- 11.37 LBS
- MFG Part #:
- KB122.040
$343.39 -
SBC Flat Top Piston Set 4.030 Bore -7cc KB122.030
KB PERFORMANCE
$343.39SBC Flat Top Piston Set 4.030 Bore -7ccPistonKB SeriesHypereutectic4.030 in Bore1/16 x 1/16 x 3/16 in Ring GroovesMinus 7.0 ccSmall Block ChevySet of 8KBPKB122.030- SKU:
- KBPKB122.030
- Availability:
- Ships Same Business Day
- Weight:
- 11.35 LBS
- MFG Part #:
- KB122.030
$343.39 -
SBC Flat Top Piston Set 4.060 Bore -7cc KB120.060
KB PERFORMANCE
$334.15SBC Flat Top Piston Set 4.060 Bore -7ccPistonKB SeriesHypereutectic4.060 in Bore5/64 x 5/64 x 3/16 in Ring GroovesMinus 7.0 ccSmall Block ChevySet of 8KBPKB120.060- SKU:
- KBPKB120.060
- Availability:
- Ships Same Business Day
- Weight:
- 13.93 LBS
- MFG Part #:
- KB120.060
$334.15 -
SBC Flat Top Piston Set 4.040 Bore -7cc KB120.040
KB PERFORMANCE
$334.15SBC Flat Top Piston Set 4.040 Bore -7cc KB120.040 High-performance hypereutectic pistons Precision-engineered for Small Block Chevy applications 4.040-inch bore size for optimal fit Featuring 5/64 x 5/64 x 3/16 inch ring grooves Designed with a -7.0 cc...KBPKB120.040- SKU:
- KBPKB120.040
- Availability:
- Ships Same Business Day
- Weight:
- 13.82 LBS
- MFG Part #:
- KB120.040
$334.15 -
SBC Flat Top Piston Set 4.030 Bore -7cc KB120.030
KB PERFORMANCE
$334.15SBC Flat Top Piston Set 4.030 Bore -7cc KB120.030 High-quality hypereutectic pistons for enhanced durability Precision-engineered for a 4.030-inch bore size Features 5/64 x 5/64 x 3/16 inch ring grooves for optimal performance Designed specifically for...KBPKB120.030- SKU:
- KBPKB120.030
- Availability:
- Ships Same Business Day
- Weight:
- 13.71 LBS
- MFG Part #:
- KB120.030
$334.15 -
SBF F/T Piston Set 4.040 Bore -6.5cc KB115.040
KB PERFORMANCE
$364.00SBF F/T Piston Set 4.040 Bore -6.5ccPistonKB SeriesHypereutectic4.040 in Bore5/64 x 5/64 x 3/16 in Ring GroovesMinus 6.5 ccSmall Block FordSet of 8KBPKB115.040- SKU:
- KBPKB115.040
- Availability:
- Ships Same Business Day
- Weight:
- 13.79 LBS
- MFG Part #:
- KB115.040
$364.00 -
SBC Flat Top Piston Set 4.155 Bore -5cc 9911HC.030
KB PERFORMANCE
$251.38SBC Flat Top Piston Set 4.155 Bore -5ccPistonClaimer SeriesHypereutectic4.155 in Bore5/64 x 5/64 x 3/16 in Ring GroovesMinus 5.0 ccSmall Block ChevySet of 8KBP9911HC.030- SKU:
- KBP9911HC.030
- Availability:
- Ships Same Business Day
- Weight:
- 12.06 LBS
- MFG Part #:
- 9911HC.030
$251.38
