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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SBC PowerPak Piston Set 4.050 Bore FT -8.9cc 197726850
MAHLE PISTONS
$970.82A quality piston set is the foundation of any high-revving Small Block Chevy engine—compromising here means sacrificing reliability and power delivery when it matters most. The SBC PowerPak Piston Set delivers forged strength and precision engineering to...MAH197726850- SKU:
- MAH197726850
- Availability:
- Ships Same Business Day
- Weight:
- 11.60 LBS
$970.82 -
Coated Main Bearing Set MS-590HC
MAHLE ORIGINAL/CLEVITE
$148.99A quality main bearing set is the foundation of engine reliability, especially when you're pushing power output or operating at sustained RPMs. The Coated Main Bearing Set MS-590HC delivers the durability and precision fit required for small block Ford...M77MS590HC- SKU:
- M77MS590HC
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
$148.99 -
Main Bearing Set GM LS MS-2411HX
MAHLE ORIGINAL/CLEVITE
$205.99A quality main bearing set is the foundation of engine reliability, especially in high-performance LS applications where increased boost pressure and sustained RPMs demand precision fit and superior oil delivery. The MS-2411HX H-Series bearings are...M77MS2411HX- SKU:
- M77MS2411HX
- Availability:
- Ships Same Business Day
- Weight:
- 1.26 LBS
$205.99 -
Main Bearing Set GM LS Coated MS-2411HC
MAHLE ORIGINAL/CLEVITE
$269.99A quality main bearing set is foundational to engine reliability and longevity, especially in high-performance LS applications where sustained power delivery demands precision-engineered components. The MS-2411HC delivers OEM-grade durability with a...M77MS2411HC- SKU:
- M77MS2411HC
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$269.99 -
Main Bearing Set GM LS MS-2411H
MAHLE ORIGINAL/CLEVITE
$197.99A properly spec'd main bearing set is non-negotiable for LS-series engine reliability, especially if you're running sustained boost or elevated RPM. The MS-2411H delivers OEM-grade clearances and material composition, ensuring consistent oil film...M77MS2411H- SKU:
- M77MS2411H
- Availability:
- Ships Same Business Day
- Weight:
- 1.26 LBS
$197.99 -
Coated Main Bearing Set MS-1038HXC
MAHLE ORIGINAL/CLEVITE
$165.99A quality main bearing set is foundational to engine reliability and longevity, especially under high-load or boosted conditions. The MS-1038HXC delivers the extra oil clearance and protective coating your built engine needs to handle sustained...M77MS1038HXC- SKU:
- M77MS1038HXC
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
$165.99 -
Coated Rod Bearing CB-745HXNC
MAHLE ORIGINAL/CLEVITE
$23.99Connecting rod bearings are critical to engine longevity, especially in high-RPM and forced-induction applications where bearing clearance directly impacts oil film strength and component reliability. The CB-745HXNC delivers extra oil clearance and a...M77CB745HXNC- SKU:
- M77CB745HXNC
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$23.99 -
Rod Bearing CB-663VN-10
MAHLE ORIGINAL/CLEVITE
$16.99Proper rod bearing clearance is critical to engine longevity and reliability—undersized bearings compensate for worn crankshaft journals without costly machine work. The CB-663VN-10 delivers precision-engineered performance for Small Block Chevy rebuilds...M77CB663VN10- SKU:
- M77CB663VN10
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
$16.99 -
Coated Rod Bearing CB-663HNDC-10
MAHLE ORIGINAL/CLEVITE
$28.99When you're building a high-performance small block Chevy engine, connecting rod bearing clearance and durability directly impact reliability and longevity under boost or extended track sessions. The CB-663HNDC-10 is engineered with a doweled design and...M77CB663HNDC10- SKU:
- M77CB663HNDC10
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$28.99 -
Coated Rod Bearing CB-663HNC-10
MAHLE ORIGINAL/CLEVITE
$24.99Rod bearings are a critical wear component in any performance engine—they endure extreme pressures and temperatures with every combustion cycle. The Coated Rod Bearing CB-663HNC-10 delivers the precision clearances and durable coating your Small Block...M77CB663HNC10- SKU:
- M77CB663HNC10
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
$24.99 -
Coated Rod Bearing CB-663HNC-1
MAHLE ORIGINAL/CLEVITE
$19.99Precision-engineered connecting rod bearings are critical to engine longevity and reliability under high-load conditions. The CB-663HNC-1 delivers the tight tolerances and durable coating required for forced-induction and high-RPM applications where...M77CB663HNC1- SKU:
- M77CB663HNC1
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$19.99 -
Coated Rod Bearing CB-663HNC
MAHLE ORIGINAL/CLEVITE
$25.99Rod bearing wear and failure can derail your entire engine build, especially under high-load conditions where precision matters most. The Coated Rod Bearing CB-663HNC delivers reliable oil film strength and reduced friction across your H-Series engine,...M77CB663HNC- SKU:
- M77CB663HNC
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
$25.99 -
Rod Bearing CB-663HN-9
MAHLE ORIGINAL/CLEVITE
$18.99A connecting rod bearing is critical to engine longevity—it directly supports the stress loads between your crankshaft and connecting rod under extreme combustion pressures. The CB-663HN-9 is engineered for Small Block Chevy engines requiring precision...M77CB663HN9- SKU:
- M77CB663HN9
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
$18.99 -
Coated Rod Bearing CB-1663HC
MAHLE ORIGINAL/CLEVITE
$25.99A quality connecting rod bearing is critical to engine reliability under high RPM and sustained load conditions. The Coated Rod Bearing CB-1663HC delivers the durability and precision fit required for small block Chevy engines, whether you're building a...M77CB1663HC- SKU:
- M77CB1663HC
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
$25.99Qty in Cart: 0Quantity:Price:$25.99Subtotal: -
GM LS 4340 Forged Crank 4.000 Stroke 70840001
LUNATI
$1,123.99A forged crankshaft is the foundation of any high-output LS engine build, and this Voodoo unit delivers the strength and precision needed to handle serious horsepower and boost. Built from 4340 forged steel with a 4.000-inch stroke, it's engineered to...LNT70840001- SKU:
- LNT70840001
- Availability:
- Ships Same Business Day
- Weight:
- 54.00 LBS
$1,123.99 -
SBF 4340 Forged Crank 3.400 Stroke Int Balance 70534001
LUNATI
$1,055.99A forged 4340 steel crankshaft is the backbone of any high-revving small-block engine build, delivering the strength and reliability needed to handle aggressive power levels without compromise. The Voodoo SBF 4340 with internal balancing eliminates the...LNT70534001- SKU:
- LNT70534001
- Availability:
- Ships Same Business Day
- Weight:
- 53.00 LBS
$1,055.99Qty in Cart: 0Quantity:Price:$1,055.99Subtotal: -
KRC 6-Rib Serp Belt 32.0in GDY 4060320
KRC POWER STEERING
$28.62A reliable serpentine belt is critical to maintaining consistent engine accessory performance—alternator output, water pump circulation, and power steering pressure all depend on it. The KRC 6-Rib Serp Belt delivers OEM-level durability with precise...KRCGDY4060320- SKU:
- KRCGDY4060320
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
$28.62 -
KRC 3-Rib Serp. Belt 25.0in GDY 4030250
KRC POWER STEERING
$20.92A reliable serpentine belt is critical to keeping your engine's accessories running smoothly—without it, your alternator, water pump, and power steering pump fall silent. The KRC 3-Rib Serp. Belt delivers dependable performance in a compact 25-inch...KRCGDY4030250- SKU:
- KRCGDY4030250
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$20.92 -
KRC Water Pump Pulley HTD 37 Tooth KRC 88008037
KRC POWER STEERING
$98.60Precision cooling is non-negotiable in high-performance racing, and your water pump pulley must match that standard. The KRC HTD 37-tooth pulley delivers reliable belt drive synchronization and durability under extreme thermal and mechanical stress...KRC88008037- SKU:
- KRC88008037
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$98.60 -
KRC Pulley HTD 24 Tooth Denso Alt 10mm Wide KRC 81508024
KRC POWER STEERING
$58.91A precision-engineered alternator pulley is critical for maintaining consistent charging output and belt stability during high-RPM operation. The KRC HTD design with integrated belt guides eliminates slippage and vibration, ensuring reliable power...KRC81508024- SKU:
- KRC81508024
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$58.91
