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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Piston Ring Set 4.040 Moly 5/64 5/64 3/16 3150034.045
MICHIGAN 77
$182.99Precision ring seal directly impacts cylinder pressure retention, combustion efficiency, and overall engine reliability—especially in high-rpm applications where blowby can compromise performance. This moly-coated ring set delivers the durability and...M77315-0034.045- SKU:
- M77315-0034.045
- Availability:
- Ships Same Business Day
- Weight:
- 1.18 LBS
- MFG Part #:
- 3150034.045
$182.99Qty in Cart: 0Quantity:Price:$182.99Subtotal: -
Piston Ring Set 4.165 Moly 1/16 1/16 3/16 3150032.045
MICHIGAN 77
$156.99Piston ring sets are critical to engine longevity and performance—they seal combustion pressure, control oil consumption, and regulate heat transfer in your cylinder walls. A quality moly ring set like this one maintains consistent compression across all...M77315-0032.045- SKU:
- M77315-0032.045
- Availability:
- Ships Same Business Day
- Weight:
- 1.03 LBS
- MFG Part #:
- 3150032.045
$156.99Qty in Cart: 0Quantity:Price:$156.99Subtotal: -
Piston Ring Set 4.145 Moly 1/16 1/16 3/16 3150032.025
MICHIGAN 77
$159.99Piston ring sets are critical to engine reliability and performance—they seal combustion pressure, manage blow-by, and regulate oil consumption. This 4.145" moly ring set delivers plasma-coated durability for high-RPM applications where standard rings...M77315-0032.025- SKU:
- M77315-0032.025
- Availability:
- Ships Same Business Day
- Weight:
- 1.04 LBS
- MFG Part #:
- 3150032.025
$159.99Qty in Cart: 0Quantity:Price:$159.99Subtotal: -
Piston Ring Set 4.060 Moly 1/16 1/16 3/16 3150005.065
MICHIGAN 77
$208.99A high-quality piston ring set is fundamental to engine durability and compression integrity—especially if you're rebuilding a 4.060-bore engine or replacing worn rings that compromise performance. Plasma moly-coated rings deliver superior wear...M77315-0005.065- SKU:
- M77315-0005.065
- Availability:
- Ships Same Business Day
- Weight:
- 0.97 LBS
- MFG Part #:
- 3150005.065
$208.99Qty in Cart: 0Quantity:Price:$208.99Subtotal: -
Piston Ring Set 4.155 Moly 1/16 1/16 3/16 3150004.035
MICHIGAN 77
$208.99Maximum ring seal integrity is non-negotiable when building or rebuilding a high-performance engine—lost compression directly translates to lost horsepower and efficiency. This plasma moly piston ring set delivers consistent blowby control and wear...M77315-0004.035- SKU:
- M77315-0004.035
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MFG Part #:
- 3150004.035
$208.99Qty in Cart: 0Quantity:Price:$208.99Subtotal: -
.021 Offset Dowel Pin 15940
LAKEWOOD
$49.95Proper bellhousing alignment is critical to transmission longevity and driveline stability, especially in high-performance GM applications where tolerances matter. This .021 offset dowel pin corrects bellhousing misalignment that can cause binding, gear...LWI15940- SKU:
- LWI15940
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- MFG Part #:
- 15940
$49.95 -
Crank Mandrel KSD1015-270
K.S.E. RACING
$58.99If you're running a Small Block Chevy with a single belt drive system, you need a crank mandrel that won't slip under load or fail when temperatures spike. The KSE KSD1015-270 delivers the precision fitment and aluminum durability required for consistent...KSEKSD1015-270- SKU:
- KSEKSD1015-270
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- MFG Part #:
- KSD1015-270
$58.99Qty in Cart: 0Quantity:Price:$58.99Subtotal: -
KRC Serpentine Drive KIT SBC Water Pump KIT 16225604
KRC POWER STEERING
$216.97The KRC Serpentine Drive Kit replaces your Small Block Chevy's outdated V-belt setup with a modern 6-rib serpentine system, delivering improved belt grip, reduced slip, and more efficient accessory drive performance. This all-in-one pulley kit eliminates...KRCKIT16225604- SKU:
- KRCKIT16225604
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- MFG Part #:
- KIT 16225604
$216.97Qty in Cart: 0Quantity:Price:$216.97Subtotal: -
KRC 6-Rib Serp. Belt 38.0in GDY 4060380
KRC POWER STEERING
$33.03A serpentine belt is critical to your engine's accessory drive system, transferring power from the crankshaft to your alternator, water pump, and power steering pump. The KRC 6-Rib Serp. Belt delivers consistent engagement and minimal slippage under...KRCGDY4060380- SKU:
- KRCGDY4060380
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- MFG Part #:
- GDY 4060380
$33.03Qty in Cart: 0Quantity:Price:$33.03Subtotal: -
KRC 6-Rib Serp. Belt 36.5in GDY 4060365
KRC POWER STEERING
$31.93A worn or damaged serpentine belt compromises your entire accessory drive system—starving your alternator, power steering pump, and water pump of the power they need. The KRC 6-Rib Serpentine Belt delivers reliable, consistent performance with Goodyear's...KRCGDY4060365- SKU:
- KRCGDY4060365
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- GDY 4060365
$31.93Qty in Cart: 0Quantity:Price:$31.93Subtotal: -
KRC 6-Rib Serp. Belt 25.2in GDY 4060252
KRC POWER STEERING
$21.46A worn or damaged serpentine belt compromises your entire engine's accessory drive system—alternator output, power steering pressure, and cooling capacity all depend on reliable belt tension and grip. The KRC 6-Rib Serp. Belt delivers OEM-grade...KRCGDY4060252- SKU:
- KRCGDY4060252
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MFG Part #:
- GDY 4060252
$21.46Qty in Cart: 0Quantity:Price:$21.46Subtotal: -
KRC Breather Assembly CT525 CTB 79525000
KRC POWER STEERING
$349.05Proper crankcase ventilation is critical for LS-series engine longevity and performance—excess pressure and blow-by gases can compromise seals, contaminate oil, and reduce power output. The KRC Breather Assembly CT525 CTB delivers a complete, engineered...KRC79525000- SKU:
- KRC79525000
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
- MFG Part #:
- CTB 79525000
$349.05Qty in Cart: 0Quantity:Price:$349.05Subtotal: -
KRC 4.2in 6-Rib Alum P/S Pump Pulley KRC 20015000
KRC POWER STEERING
$82.96If you're running a serpentine belt system, your power steering pulley needs to match the precise specifications of your pump and belt configuration—mismatched sizing or inferior materials lead to slippage, noise, and premature wear. This KRC 4.2in...KRC20015000- SKU:
- KRC20015000
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
- MFG Part #:
- KRC 20015000
$82.96 -
Dee-Flektor Filter KNE62-1516
K AND N ENGINEERING
$31.99Engine breather systems require reliable filtration to prevent contaminants from entering your crankcase while maintaining proper ventilation under varying boost and load conditions. The Dee-Flektor Filter delivers half-shielded protection with a...KNE62-1516- SKU:
- KNE62-1516
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- 62-1516
$31.99 -
Crankcase Vent Filter KNE62-1170
K AND N ENGINEERING
$36.99A properly functioning crankcase vent system is critical for engine longevity and performance—it prevents pressure buildup that can compromise seals and gaskets while reducing blow-by contamination. This KNE62-1170 crankcase vent filter offers reliable,...KNE62-1170- SKU:
- KNE62-1170
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
- MFG Part #:
- 62-1170
$36.99 -
Breather Vent KNE62-1010
K AND N ENGINEERING
$36.99Proper crankcase ventilation is critical for engine longevity and performance—inadequate breathing leads to pressure buildup, oil seal failure, and power loss. The KNE62-1010 breather vent provides reliable, maintenance-free crankcase evacuation with a...KNE62-1010- SKU:
- KNE62-1010
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- MFG Part #:
- 62-1010
$36.99Qty in Cart: 0Quantity:Price:$36.99Subtotal: -
Oil Pump Pickup Tube SBC 1008
KEVKO OIL PANS & COMPONENTS
$39.99A reliable oil pickup tube is critical to maintaining proper oil pressure and protecting your small block Chevy engine during high-RPM operation. If your pan depth sits between 7-3/4" and 8", this Kevko pickup delivers consistent oil delivery without...KEV1008- SKU:
- KEV1008
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MFG Part #:
- 1008
$39.99 -
Oil Pump Pickup Tube SBC KEV1001-13/4
KEVKO OIL PANS & COMPONENTS
$49.99Reliable oil delivery is non-negotiable whether you're street driving or hitting the strip—a quality pickup tube ensures consistent lubrication under all conditions and prevents the catastrophic engine damage that comes from oil starvation. This Kevko...KEV1001-13/4- SKU:
- KEV1001-13/4
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- 1001-1 3/4
$49.99 -
Main Bearing Set. KEBMB557SI001
KING BEARINGS
$33.99A quality main bearing set is critical for engine longevity and reliability, especially in high-performance or rebuilt Small Block Chevy applications. The Alecular SI main bearing set delivers consistent oil film strength and dimensional precision where...KEBMB557SI001- SKU:
- KEBMB557SI001
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- MB 557SI 001
$33.99 -
Main Bearing Set MB 509XP
KING BEARINGS
$75.99A quality main bearing set is the foundation of engine reliability—it directly impacts oil pressure stability, bearing longevity, and overall engine durability under load. The MB 509XP delivers consistent performance and precision fitment for Small Block...KEBMB509XP- SKU:
- KEBMB509XP
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MFG Part #:
- MB 509XP
$75.99
