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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Manley LS1 E/D 1.575 Exhaust Valves 11681-8
MANLEY
$514.08If you're building a serious LS1 engine that demands reliability under extreme conditions, OEM exhaust valves won't cut it. Manley's Extreme Duty valves are engineered to withstand aggressive valve timing, high RPM operation, and sustained heat cycles...MAN11681-8- SKU:
- MAN11681-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$514.08Qty in Cart: 0Quantity:Price:$514.08Subtotal: -
Manley GM LS7 S/D 1.615 Exhaust Valves 11679-8
MANLEY
$301.07If you're pushing your LS7 to its limits, stock exhaust valves won't cut it. Manley's severe-duty valves are engineered to handle sustained high RPM and aggressive thermal cycles without degradation, giving you the reliability required for track duty or...MAN11679-8- SKU:
- MAN11679-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
$301.07 -
Manley LS1 S/D 1.600 Exhaust Valves 11677-8
MANLEY
$301.07If you're building or rebuilding an LS1 engine for serious duty, valve quality directly impacts combustion efficiency, peak horsepower, and longevity under sustained high RPM operation. Manley's stainless steel exhaust valves are precision-manufactured...MAN11677-8- SKU:
- MAN11677-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$301.07 -
Manley LS1 S/D 1.575 Exhaust Valves 11675-8
MANLEY
$301.07When you're pushing your LS engine to its limits, stock exhaust valves become the weak link in your buildup. Manley's Severe Duty exhaust valves are engineered to handle extreme heat cycles and high RPM abuse without degradation, ensuring consistent flow...MAN11675-8- SKU:
- MAN11675-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$301.07 -
Manley LS1 R/M 1.590in Exhaust Valves 11621-8
MANLEY
$202.55If you're building or rebuilding an LS engine for sustained high-RPM operation, OEM exhaust valves will cost you power and reliability. Manley's Race Series exhaust valves are engineered from premium stainless steel to handle the thermal and mechanical...MAN11621-8- SKU:
- MAN11621-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.04 LBS
$202.55 -
Manley LS1 P/F 2.165in Intake Valves 11620-8
MANLEY
$202.55If you're running a high-output LS1 engine, your stock intake valves are a bottleneck—they can't sustain the flow rates and thermal loads of serious power. Manley's Race Series intake valves are engineered for sustained high-RPM operation and aggressive...MAN11620-8- SKU:
- MAN11620-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.59 LBS
$202.55 -
Manley SBC P/F 2.020in Intake Valves - LS1 11362-8
MANLEY
$188.69If you're building a high-revving LS1 engine that demands precision at every valve event, OEM intake valves won't cut it. Manley's Race Series intake valves are engineered to handle sustained high-RPM abuse while maintaining consistent sealing and flow...MAN11362-8- SKU:
- MAN11362-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
$188.69 -
Manley LS1 R/M 1.550 Exhaust Valve 11361-8
MANLEY
$188.69If you're building or refreshing an LS1 or LS2 engine for serious track duty, valve quality directly impacts combustion efficiency and reliability under sustained high-RPM operation. Manley's Race Master exhaust valves are engineered with stainless steel...MAN11361-8- SKU:
- MAN11361-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
$188.69 -
Manley LS1 P/F 2.000in Intake Valve 11360-8
MANLEY
$188.69If you're building or rebuilding an LS-series engine for competition, valve quality directly impacts combustion efficiency, rpm capability, and reliability under sustained high-load conditions. Manley's Race Series intake valves are engineered from...MAN11360-8- SKU:
- MAN11360-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
$188.69 -
SBF Flat Top Piston Set 4.045 Bore -6.5cc 930244745
MAHLE PISTONS
$776.57If you're building a high-compression Small Block Ford engine or refreshing a tired short block, piston selection directly impacts your power output, reliability, and combustion efficiency. These SBF flat-top pistons deliver a -6.5cc dish volume that...MAH930244745- SKU:
- MAH930244745
- Availability:
- Ships Same Business Day
- Weight:
- 11.40 LBS
$776.57 -
LS7 PowerPak F/T Piston Set 4.125 Bore 930221625
MAHLE PISTONS
$790.44If you're building a high-displacement LS7 engine and need reliable, precision-engineered pistons that can handle aggressive boost and elevated RPM, the PowerPak F/T forged piston set is engineered for exactly that demand. Forged construction delivers...MAH930221625- SKU:
- MAH930221625
- Availability:
- Ships Same Business Day
- Weight:
- 15.00 LBS
$790.44 -
SBC FT Power Domed Piston Set 4.040 Bore 930207940
MAHLE PISTONS
$856.21If you're building a high-compression Small Block Chevy engine or upgrading an existing platform, piston selection directly impacts combustion efficiency, detonation resistance, and overall power output. FT Power's forged domed pistons deliver the...MAH930207940- SKU:
- MAH930207940
- Availability:
- Ships Same Business Day
- Weight:
- 14.00 LBS
$856.21 -
SBC PowerPak F/T Piston Set 4.030 Bore 930206630
MAHLE PISTONS
$854.38If you're building a high-compression Small Block Chevy engine or need reliable replacements for aggressive racing applications, forged pistons are non-negotiable. The SBC PowerPak F/T Piston Set delivers the durability and thermal stability required for...MAH930206630- SKU:
- MAH930206630
- Availability:
- Ships Same Business Day
- Weight:
- 15.00 LBS
$854.38 -
SBC PowerPak F/T Piston Set 4.060 Bore 930206560
MAHLE PISTONS
$854.38If you're building a high-compression SBC engine or optimizing an existing one, you need pistons that deliver reliable power without compromise. These PowerPak forged pistons are engineered for serious performance, offering the strength and precision...MAH930206560- SKU:
- MAH930206560
- Availability:
- Ships Same Business Day
- Weight:
- 15.00 LBS
$854.38Qty in Cart: 0Quantity:Price:$854.38Subtotal: -
SBC PowerPak F/T Piston Set 4.040 Bore 930203640
MAHLE PISTONS
$776.57Building a small block Chevy engine that demands reliability under sustained boost or high RPM load? The SBC PowerPak F/T Piston Set delivers the structural integrity and precision fit required for forced induction and competition use. Forged...MAH930203640- SKU:
- MAH930203640
- Availability:
- Ships Same Business Day
- Weight:
- 11.60 LBS
$776.57 -
SBC F/T Powerpak Piston Set 4.035 Bore -4.1cc 930202535
MAHLE PISTONS
$970.82If you're building a high-compression Small Block Chevy engine, piston selection directly impacts combustion efficiency, detonation resistance, and overall power output. The SBC F/T Powerpak Piston Set delivers a proven flat-top design with tight ring...MAH930202535- SKU:
- MAH930202535
- Availability:
- Ships Same Business Day
- Weight:
- 14.00 LBS
$970.82Qty in Cart: 0Quantity:Price:$970.82Subtotal: -
SBC PowerPak F/T Piston Set 4.030 Bore 930202530
MAHLE PISTONS
$970.82If you're building a high-compression Small Block Chevy engine or optimizing fuel efficiency in an existing platform, forged pistons are non-negotiable. The SBC PowerPak F/T Piston Set delivers the durability and precision needed for sustained high-RPM...MAH930202530- SKU:
- MAH930202530
- Availability:
- Ships Same Business Day
- Weight:
- 15.00 LBS
$970.82Qty in Cart: 0Quantity:Price:$970.82Subtotal: -
Piston Ring Set 4.170 1.0mm 1.0mm 2.0mm 4175MS-112
MAHLE PISTONS
$202.98Piston rings are fundamental to engine efficiency—they maintain compression, control oil consumption, and regulate heat transfer between the piston and cylinder wall. This 4.170" bore set delivers reliable sealing and durability for high-revving engines,...MAH4175MS-112- SKU:
- MAH4175MS-112
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$202.98Qty in Cart: 0Quantity:Price:$202.98Subtotal: -
Piston Ring Set 4.165 Bore 1.0 1.0 2.0mm 4170MS-112
MAHLE PISTONS
$202.98Proper ring seal is fundamental to engine performance, and this piston ring set delivers the compression and blowby control your high-performance engine demands. The plasma moly coating resists wear and extends ring life, while the precise 4.165" bore...MAH4170MS-112- SKU:
- MAH4170MS-112
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$202.98 -
Piston Ring Set 4.165 .043 .043 3.0mm 4170ML-043
MAHLE PISTONS
$192.78Precision piston rings are critical to engine performance—they seal combustion pressure, regulate oil consumption, and directly impact horsepower delivery and engine longevity. This plasma moly ring set is engineered for high-RPM applications where low...MAH4170ML-043- SKU:
- MAH4170ML-043
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$192.78
