Harmonic Balancers and Components
Circle Track Harmonic Balancers & Components at JJ Motorsports
Harmonic balancers and their components are vital for minimizing crankshaft vibrations, ensuring smoother engine operation and extended durability. Built to withstand the intense conditions of circle track racing, these parts excel under high RPMs and stress. Pair them with additional vibration-reduction solutions to keep your engine running at peak performance.
Shop trusted brands like PIONEER, BLUEPRINT ENGINES, ATI PERFORMANCE for SFI-rated dampers. Explore related categories such as Circle Track Harmonic Balancers for complete vibration control or Circle Track Crankshafts and Components for engine upgrades.
Top Circle Track Harmonic Balancers & Components
- Pioneer Harmonic Damper SFI SBF 302/351W Int. Balance 872034 – Harmonic Balancer 6.370 in OD Steel Internal Balance Ford Small Block; SFI certified for racing safety.
- Blueprint Engines SBC Balancer 8in OD 400 External Balance BPP400L – Harmonic Balancer 8.000 in OD Steel Black Zinc External Balance Each; durable design for high-performance applications.
- ATI Performance SBC 6.325 SFI Harmonic Damper Internal Balance 917781U – Harmonic Balancer Super Damper Undersized 6.325 in OD SFI-18.1 Steel Black Paint Small Block Chevy Each; optimized for reduced vibrations.
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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Fluidampr SBF 6-5/8 Harmonic Damper - SFI 650211
FLUIDAMPR
$518.47Harmonic dampers are non-negotiable for any serious Small Block Ford build—they absorb destructive crankshaft vibrations that can lead to premature bearing wear, fatigue cracks, and catastrophic engine failure. The Fluidampr SBF 6-5/8 uses a proven...FLU650211- SKU:
- FLU650211
- Availability:
- Ships Same Business Day
- Weight:
- 13.34 LBS
- MFG Part #:
- 650211
$518.47Qty in Cart: 0Quantity:Price:$518.47Subtotal: -
Fluidampr SBC 6-1/4 Harmonic Damper - SFI 620101
FLUIDAMPR
$385.82Harmonic dampers are critical to protecting your engine's crankshaft from destructive vibration cycles—especially under high RPM and forced induction conditions. The Fluidampr SBC 6-1/4 uses internal balancing and precision engineering to absorb these...FLU620101- SKU:
- FLU620101
- Availability:
- Ships Same Business Day
- Weight:
- 8.71 LBS
- MFG Part #:
- 620101
$385.82 -
Coleman Harmonic Balancer SBC Crate Engine 6in Alum 25127
COLEMAN MACHINE
$365.99A quality harmonic balancer is critical for Small Block Chevy engine reliability—it reduces crankshaft vibration that can lead to premature wear, bearing failure, and power loss. The Coleman 25127 delivers precision balancing in a compact 6-inch aluminum...COL25127- SKU:
- COL25127
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- MFG Part #:
- 25127
$365.99Qty in Cart: 0Quantity:Price:$365.99Subtotal: -
Coleman Harmonic Balancer SBC Crate Engine 8in Alum 25126
COLEMAN MACHINE
$588.99A quality harmonic balancer is essential for SBC crate engine reliability—it absorbs crankshaft vibrations that can lead to premature wear, bearing failure, and power loss. The Coleman 25126 delivers proven durability with a lightweight aluminum...COL25126- SKU:
- COL25126
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
- MFG Part #:
- 25126
$588.99 -
ATI SBF 6.325 Harmonic Damper - SFI 918920
ATI PERFORMANCE
$409.99A 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 delivers reliable vibration control with SFI certification,...ATI918920- SKU:
- ATI918920
- Availability:
- Ships Same Business Day
- Weight:
- 9.93 LBS
- MFG Part #:
- 918920
$409.99 -
ATI SBF 6.325 Harmonic Damper - SFI 918911
ATI PERFORMANCE
$446.99Harmonic 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 destructive oscillations before they propagate through your...ATI918911- SKU:
- ATI918911
- Availability:
- Ships Same Business Day
- Weight:
- 11.79 LBS
- MFG Part #:
- 918911
$446.99 -
ATI SBF 6.325 Harmonic Damper - SFI 918900
ATI PERFORMANCE
$458.99Harmonic 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 stock dampers can't handle, protecting your investment...ATI918900- SKU:
- ATI918900
- Availability:
- Ships Same Business Day
- Weight:
- 11.29 LBS
- MFG Part #:
- 918900
$458.99 -
ATI SBF 6.325 Harmonic Damper - SFI 918895
ATI PERFORMANCE
$427.99Uncontrolled 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 these risks with precisely tuned elastomer technology that...ATI918895- SKU:
- ATI918895
- Availability:
- Ships Same Business Day
- Weight:
- 11.35 LBS
- MFG Part #:
- 918895
$427.99 -
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 Damper delivers precision damping with SFI 18.1...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
$381.99A 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 absorbs harmonic oscillations with precision, keeping...ATI917785- SKU:
- ATI917785
- Availability:
- Ships Same Business Day
- Weight:
- 11.25 LBS
- MFG Part #:
- 917785
$381.99 -
ATI SBC 6.325 Harmonic Damper - SFI 917784
ATI PERFORMANCE
$365.99Harmonic 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 consistent performance. Built with premium steel...ATI917784- SKU:
- ATI917784
- Availability:
- Ships Same Business Day
- Weight:
- 9.77 LBS
- MFG Part #:
- 917784
$365.99 -
ATI SBC 7.074 Harmonic Damper - SFI 917783
ATI PERFORMANCE
$367.99Harmonic 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 is engineered with precision-tuned elastomer technology...ATI917783- SKU:
- ATI917783
- Availability:
- Ships Same Business Day
- Weight:
- 11.56 LBS
- MFG Part #:
- 917783
$367.99 -
ATI SBC 6.325 Harmonic Damper - SFI 917781
ATI PERFORMANCE
$319.99Harmonic 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 certification, ensuring reliable performance whether...ATI917781- SKU:
- ATI917781
- Availability:
- Ships Same Business Day
- Weight:
- 9.26 LBS
- MFG Part #:
- 917781
$319.99 -
ATI SBC 7in Harmonic Damper SFI 917780
ATI PERFORMANCE
$381.99Harmonic 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 Damper SFI 917780 absorbs these destructive oscillations...ATI917780- SKU:
- ATI917780
- Availability:
- Ships Same Business Day
- Weight:
- 11.14 LBS
- MFG Part #:
- 917780
$381.99 -
ATI GM LS1 6.32 Harmonic Damper - SFI 917776
ATI PERFORMANCE
$378.99The 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 absorbs those destructive vibrations and protects your...ATI917776- SKU:
- ATI917776
- Availability:
- Ships Same Business Day
- Weight:
- 9.82 LBS
- MFG Part #:
- 917776
$378.99 -
ATI SBF 6.325 Harmonic Damper - SFI 917511
ATI PERFORMANCE
$381.99Harmonic 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 isolates destructive harmonic frequencies before they...ATI917511- SKU:
- ATI917511
- Availability:
- Ships Same Business Day
- Weight:
- 9.77 LBS
- MFG Part #:
- 917511
$381.99 -
ATI SBC 6.325 Harmonic Damper - SFI 917480
ATI PERFORMANCE
$423.99A 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 advanced elastomer technology to absorb crankshaft...ATI917480- SKU:
- ATI917480
- Availability:
- Ships Same Business Day
- Weight:
- 6.24 LBS
- MFG Part #:
- 917480
$423.99 -
ATI SBC 6.325 Harmonic Damper - SFI 917411
ATI PERFORMANCE
$383.99Harmonic 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 precision dampening with SFI 18.1 certification, making...ATI917411- SKU:
- ATI917411
- Availability:
- Ships Same Business Day
- Weight:
- 7.94 LBS
- MFG Part #:
- 917411
$383.99 -
ATI SBC/Pont 6.325 Damper SFI-ASA Spec 917410
ATI PERFORMANCE
$393.99Harmonic 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 stock rebuild or a high-revving performance build,...ATI917410- SKU:
- ATI917410
- Availability:
- Ships Same Business Day
- Weight:
- 7.92 LBS
- MFG Part #:
- 917410
$393.99 -
ATI GM LS1 7.074 Harmonic Damper - SFI 917211
ATI PERFORMANCE
$423.99The 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 provides superior vibration isolation compared to OEM...ATI917211- SKU:
- ATI917211
- Availability:
- Ships Same Business Day
- Weight:
- 10.03 LBS
- MFG Part #:
- 917211
$423.99
