Harmonic Balancers
Circle Track Harmonic Balancers at JJ Motorsports
Reduce crankshaft vibrations and protect your engine from excessive wear with high-performance harmonic balancers from JJ Motorsports. Designed for demanding circle track racing, these balancers ensure smooth operation and longevity under high-RPM conditions, ideal for IMCA, USMTS, late models, modifieds, and street stocks, available in SFI-certified options for internal and external balance on SBC, SBF, and GM LS engines.
Shop trusted brands like Pioneer for SFI-rated dampers, KRC Power Steering for R-Lok adapters, and Blueprint Engines for external balance balancers. Explore related categories such as Harmonic Balancers and Components for additional parts or Crankshafts and Components for engine upgrades.
Top Circle Track Harmonic Balancers
- Harmonic Damper SFI SBF 302/351W Int. Balance 872034 – Harmonic Balancer 6.370 in OD Steel Internal Balance Ford Small Block.
- KRC Adapter Pro R-Lok SBC KRC 38140500 – Crankshaft Hub R-Lok 1.245 in Long Hardware Included Black Anodized Each.
- SBC Balancer 8in OD 400 External Balance BPP400L – Harmonic Balancer 8.000 in OD Steel Black Zinc External Balance Each.
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 6.25in. Steel Harmonic Balancer - SFI PB1012SS
POWER BOND BALANCERS
$217.99SBC 6.25in. Steel Harmonic Balancer - SFIHarmonic BalancerRace lightweight6.110 in ODSFI 18.1SteelClear Powder CoatInternal BalanceSmall Block ChevyEachPBBPB1012-SS- SKU:
- PBBPB1012-SS
- Availability:
- Ships Same Business Day
- Weight:
- 6.93 LBS
- MFG Part #:
- PB1012SS
$217.99 -
MSD Timing Tape Kit for 5.25 to 8 inch Harmonic Balancers 8985
MSD IGNITION
$7.45The MSD Timing Tape Kit provides a precise and cost-effective solution for setting ignition timing on harmonic balancers ranging from 5-1/4 to 8 inches in diameter. This set includes eight tapes, each marked in one-degree increments from 14 degrees ATDC...MSD8985- SKU:
- MSD8985
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 8985
$7.45 -
Mr. Gasket Sb Ford 6-3/8in Timing Tape 1594
MR. GASKET
$24.98Sb Ford 6-3/8in Timing TapeIgnition Timing TapeBalancer Timing Tapes6-3/8 in OD BalancersSmall Block FordEachMRG1594- SKU:
- MRG1594
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 1594
$24.98 -
Mr. Gasket Sbc & Bbc 8in. Timing Tape 1591
MR. GASKET
$18.86Sbc & Bbc 8in. Timing TapeIgnition Timing TapeBalancer Timing Tapes8 in OD BalancersChevy V8EachMRG1591- SKU:
- MRG1591
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 1591
$18.86 -
Mr. Gasket Sbc 6-3/4in Timing Tape 1588
MR. GASKET
$24.98Sbc 6-3/4in Timing Tape Ignition Timing TapeBalancer Timing Tapes6-3/4 in OD BalancersSmall Block ChevyEachMRG1588- SKU:
- MRG1588
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MFG Part #:
- 1588
$24.98 -
Fluidampr SBC 7-1/4 Harmonic Damper - SFI 720111
FLUIDAMPR
$490.72SBC 7-1/4 Harmonic Damper - SFIHarmonic Balancer7.250 in ODSteelBlackExternal BalanceSmall Block ChevyEachFLU720111- SKU:
- FLU720111
- Availability:
- Ships Same Business Day
- Weight:
- 14.60 LBS
- MFG Part #:
- 720111
$490.72 -
Fluidampr SBC 7-1/4 Harmonic Damper - SFI 720101
FLUIDAMPR
$528.00SBC 7-1/4 Harmonic Damper - SFIHarmonic Balancer7.250 in ODSteelBlackInternal BalanceSmall Block Chevy / GM V6EachFLU720101- SKU:
- FLU720101
- Availability:
- Ships Same Business Day
- Weight:
- 12.94 LBS
- MFG Part #:
- 720101
$528.00 -
Fluidampr SBF 6-5/8 Harmonic Damper - SFI 650211
FLUIDAMPR
$518.47SBF 6-5/8 Harmonic Damper - SFIHarmonic Balancer6.625 in ODSteelBlackExternal BalanceSmall Block FordEachFLU650211- SKU:
- FLU650211
- Availability:
- Ships Same Business Day
- Weight:
- 13.34 LBS
- MFG Part #:
- 650211
$518.47 -
Fluidampr SBC 6-1/4 Harmonic Damper - SFI 620101
FLUIDAMPR
$385.82SBC 6-1/4 Harmonic Damper - SFIHarmonic Balancer6.250 in ODSteelBlackInternal BalanceSmall Block ChevyEachFLU620101- 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
$365.99Harmonic Balancer SBC Crate Engine 6in AlumHarmonic Balancer6.000 in ODAluminum / SteelBlackInternal BalanceSmall Block ChevyEachCOL25127- SKU:
- COL25127
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- MFG Part #:
- 25127
$365.99 -
Coleman Harmonic Balancer SBC Crate Engine 8in Alum 25126
COLEMAN MACHINE
$588.99Harmonic Balancer SBC Crate Engine 8in AlumHarmonic Balancer8.000 in ODAluminum / SteelBlackInternal BalanceSmall Block ChevyEachCOL25126- 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
$411.99SBF 6.325 Harmonic Damper - SFIHarmonic BalancerSuper Damper6.325 in ODSFI 18.1SteelBlackInternal BalanceSmall Block FordEachATI918920- SKU:
- ATI918920
- Availability:
- Ships Same Business Day
- Weight:
- 9.93 LBS
- MFG Part #:
- 918920
$411.99 -
ATI SBF 6.325 Harmonic Damper - SFI 918911
ATI PERFORMANCE
$450.99SBF 6.325 Harmonic Damper - 918911 Precision-engineered harmonic balancer for optimal engine performance Super Damper technology to reduce vibrations and increase longevity Measures 6.325 inches in outer diameter for a perfect fit ...ATI918911- SKU:
- ATI918911
- Availability:
- Ships Same Business Day
- Weight:
- 11.79 LBS
- MFG Part #:
- 918911
$450.99Qty in Cart: 0Quantity:Price:$450.99Subtotal: -
ATI SBF 6.325 Harmonic Damper - SFI 918900
ATI PERFORMANCE
$462.99SBF 6.325 Harmonic Damper - SFIHarmonic BalancerSuper Damper6.325 in ODSFI 18.1SteelBlack28 oz External BalanceSmall Block FordEachATI918900- 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
$430.99SBF 6.325 Harmonic Damper - 918895 Precision-engineered harmonic balancer for optimal engine performance Super Damper technology ensures superior vibration dampening Compact 6.325-inch outer diameter fits Small Block Ford engines Meets SFI 18.1...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
$357.99SBC Harmonic Damper SFI 6.325 Internal BalanceHarmonic BalancerSuper Damper6.325 in ODSFI 18.1SteelBlackInternal BalanceSmall Block ChevyEachATI917789- 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
$383.99SBC Harmonic Damper SFI 7.074 Internal BalanceHarmonic BalancerSuper Damper7.074 in ODSFI 18.1SteelBlackInternal BalanceSmall Block ChevyEachATI917785- 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
$366.99SBC 6.325 Harmonic Damper - SFIHarmonic BalancerSuper Damper7.074 in ODSFI 18.1SteelBlackInternal BalanceCrank Drive MandrelSmall Block ChevyEachATI917784- 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
$369.99SBC 7.074 Harmonic Damper - SFIHarmonic BalancerSuper Damper7.074 in ODSFI 18.1SteelBlackInternal BalanceSmall Block ChevyEachATI917783- SKU:
- ATI917783
- Availability:
- Ships Same Business Day
- Weight:
- 11.56 LBS
- MFG Part #:
- 917783
$369.99Qty in Cart: 0Quantity:Price:$369.99Subtotal: -
ATI SBC 6.325 Harmonic Damper - SFI 917781
ATI PERFORMANCE
$319.99SBC 6.325 Harmonic Damper - SFIHarmonic BalancerSuper Damper6.325 in ODSFI 18.1SteelBlackInternal BalanceSmall Block ChevyEachATI917781- SKU:
- ATI917781
- Availability:
- Ships Same Business Day
- Weight:
- 9.26 LBS
- MFG Part #:
- 917781
$319.99
