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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ATI SBF Timing Pointer C Timing Tab 918947
ATI PERFORMANCE
$68.99Accurate ignition timing is fundamental to engine performance—it directly impacts horsepower, fuel efficiency, and reliability. The ATI SBF Timing Pointer C eliminates guesswork during initial setup...ATI918947- SKU:
- ATI918947
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- 918947
$68.99 -
ATI SBF 6.325 Harmonic Damper - SFI 918920
ATI PERFORMANCE
$446.99A harmonic damper is critical to engine longevity—it absorbs destructive crankshaft vibrations that can lead to premature failure in high-performance applications. The ATI SBF 6.325 Super Damper...ATI918920- SKU:
- ATI918920
- Availability:
- Ships Same Business Day
- Weight:
- 9.93 LBS
- MFG Part #:
- 918920
$446.99 -
ATI SBF 6.325 Harmonic Damper - SFI 918911
ATI PERFORMANCE
$450.99Harmonic vibration at the crankshaft accelerates wear on bearings, seals, and the entire drivetrain—especially under high RPM or forced induction. The ATI SBF 6.325 Harmonic Damper isolates...ATI918911- SKU:
- ATI918911
- Availability:
- Ships Same Business Day
- Weight:
- 11.79 LBS
- MFG Part #:
- 918911
$450.99 -
ATI SBF 6.325 Harmonic Damper - SFI 918900
ATI PERFORMANCE
$462.99Harmonic vibration can destroy your Small Block Ford's crankshaft, reducing engine life and reliability under high RPM conditions. The ATI SBF 6.325 Super Damper absorbs destructive oscillations that...ATI918900- SKU:
- ATI918900
- Availability:
- Ships Same Business Day
- Weight:
- 11.29 LBS
- MFG Part #:
- 918900
$462.99 -
ATI SBF 6.325 Harmonic Damper - SFI 918895
ATI PERFORMANCE
$430.99Uncontrolled crankshaft vibration degrades engine efficiency, accelerates wear on bearings and seals, and can cause catastrophic failure at high RPM. The ATI SBF 6.325 Harmonic Damper eliminates...ATI918895- SKU:
- ATI918895
- Availability:
- Ships Same Business Day
- Weight:
- 11.35 LBS
- MFG Part #:
- 918895
$430.99 -
ATI SBC Harmonic Damper SFI 6.325 Internal Balance 917789
ATI PERFORMANCE
$357.99Harmonic dampers are critical to engine longevity and reliability—they absorb destructive crankshaft vibrations that can lead to premature bearing wear and catastrophic failure. The ATI SBC Super...ATI917789- SKU:
- ATI917789
- Availability:
- Ships Same Business Day
- Weight:
- 9.45 LBS
- MFG Part #:
- 917789
$357.99 -
ATI SBC Harmonic Damper SFI 7.074 Internal Balance 917785
ATI PERFORMANCE
$383.99A quality harmonic damper is critical for small block Chevy engines—it reduces destructive crankshaft vibration that can lead to premature bearing wear and timing chain failure. The ATI Super Damper...ATI917785- SKU:
- ATI917785
- Availability:
- Ships Same Business Day
- Weight:
- 11.25 LBS
- MFG Part #:
- 917785
$383.99 -
ATI SBC 6.325 Harmonic Damper - SFI 917784
ATI PERFORMANCE
$366.99Harmonic vibration can tear apart internal engine components and reduce power delivery—the ATI SBC 6.325 Super Damper absorbs destructive crankshaft oscillations to protect your build and unlock...ATI917784- SKU:
- ATI917784
- Availability:
- Ships Same Business Day
- Weight:
- 9.77 LBS
- MFG Part #:
- 917784
$366.99 -
ATI SBC 7.074 Harmonic Damper - SFI 917783
ATI PERFORMANCE
$369.99Harmonic dampers are critical to engine longevity—they absorb destructive crankshaft vibrations that can lead to premature bearing wear and catastrophic failure at high RPM. The ATI SBC Super Damper...ATI917783- SKU:
- ATI917783
- Availability:
- Ships Same Business Day
- Weight:
- 11.56 LBS
- MFG Part #:
- 917783
$369.99 -
ATI SBC 6.325 Harmonic Damper - SFI 917781
ATI PERFORMANCE
$348.99Harmonic dampers are critical for protecting your engine from destructive vibrations that accumulate during high-RPM operation. The ATI SBC 6.325 Super Damper combines precision engineering with SFI...ATI917781- SKU:
- ATI917781
- Availability:
- Ships Same Business Day
- Weight:
- 9.26 LBS
- MFG Part #:
- 917781
$348.99 -
ATI SBC 7in Harmonic Damper SFI 917780
ATI PERFORMANCE
$383.99Harmonic vibration can destroy your Small Block Chevy engine from the inside out—metal fatigue, bearing wear, and catastrophic failure happen silently until it's too late. The ATI SBC 7in Harmonic...ATI917780- SKU:
- ATI917780
- Availability:
- Ships Same Business Day
- Weight:
- 11.14 LBS
- MFG Part #:
- 917780
$383.99 -
ATI GM LS1 6.32 Harmonic Damper - SFI 917776
ATI PERFORMANCE
$379.99The ATI GM LS1 6.32 Harmonic Damper is essential for LS-series engines running high RPM or forced induction applications. Uncontrolled crankshaft harmonics can cause catastrophic failure—this damper...ATI917776- SKU:
- ATI917776
- Availability:
- Ships Same Business Day
- Weight:
- 9.82 LBS
- MFG Part #:
- 917776
$379.99 -
ATI SBF 6.325 Harmonic Damper - SFI 917511
ATI PERFORMANCE
$383.99Harmonic imbalance causes accelerated crankshaft wear and vibration-induced failures—especially critical in high-RPM and forced-induction Small Block Ford applications. The ATI SBF 6.325 Super Damper...ATI917511- SKU:
- ATI917511
- Availability:
- Ships Same Business Day
- Weight:
- 9.77 LBS
- MFG Part #:
- 917511
$383.99 -
ATI SBC 6.325 Harmonic Damper - SFI 917480
ATI PERFORMANCE
$426.99A quality harmonic damper is essential for protecting your Small Block Chevy engine from destructive vibration that can compromise reliability and power delivery. The ATI SBC 6.325 Super Damper uses...ATI917480- SKU:
- ATI917480
- Availability:
- Ships Same Business Day
- Weight:
- 6.24 LBS
- MFG Part #:
- 917480
$426.99 -
ATI SBC 6.325 Harmonic Damper - SFI 917411
ATI PERFORMANCE
$385.99Harmonic dampers are critical to engine longevity—they absorb crankshaft vibrations that can lead to premature wear, bearing damage, and catastrophic failure. The ATI SBC 6.325 Super Damper delivers...ATI917411- SKU:
- ATI917411
- Availability:
- Ships Same Business Day
- Weight:
- 7.94 LBS
- MFG Part #:
- 917411
$385.99 -
ATI SBC/Pont 6.325 Damper SFI-ASA Spec 917410
ATI PERFORMANCE
$395.99Harmonic dampers are critical for engine longevity, and this ATI Super Damper delivers precision vibration control that protects your crankshaft from destructive harmonics. Whether you're running a...ATI917410- SKU:
- ATI917410
- Availability:
- Ships Same Business Day
- Weight:
- 7.92 LBS
- MFG Part #:
- 917410
$395.99 -
ATI GM LS1 7.074 Harmonic Damper - SFI 917211
ATI PERFORMANCE
$426.99The harmonic damper is critical to LS1 engine reliability—it absorbs destructive crankshaft vibrations that can lead to premature bearing wear and catastrophic failure. ATI's Super Damper technology...ATI917211- SKU:
- ATI917211
- Availability:
- Ships Same Business Day
- Weight:
- 10.03 LBS
- MFG Part #:
- 917211
$426.99Qty in Cart: 0Quantity:Price:$426.99Subtotal: -
ARP SBF Oil Pump Driveshaft 154-7904
ARP
$21.99A worn or inadequate oil pump driveshaft can compromise lubrication pressure and accelerate engine wear—especially under the demands of high-performance driving. The ARP SBF Oil Pump Driveshaft...ARP154-7904- SKU:
- ARP154-7904
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
- MFG Part #:
- 154-7904
$21.99Qty in Cart: 0Quantity:Price:$21.99Subtotal: -
ARP SBF Oil Pump Driveshaft 154-7901
ARP
$21.99A reliable oil pump driveshaft is critical for maintaining consistent oil pressure and engine longevity under high-performance conditions. The ARP SBF Oil Pump Driveshaft is engineered from chromoly...ARP154-7901- SKU:
- ARP154-7901
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MFG Part #:
- 154-7901
$21.99 -
ARP SBC Oil Pump Driveshaft 134-7901
ARP
$17.49A reliable oil pump driveshaft is critical to maintaining consistent oil pressure and engine longevity—especially in high-performance small block applications where margin for error is zero. ARP's...ARP134-7901- SKU:
- ARP134-7901
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
- MFG Part #:
- 134-7901
$17.49
