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Vehicle Info NeededCounterweight BB-Chevy 454
Ships on 11/04/2026
Lowest Price Guarantee- Counterweight
- BB-Chevy 454
- Fits 34263 Balancer
The PRO/SPORT range of Harmonic Dampers provides race quality performance dampers at near replacement part prices and are available for most popular V8 engines. Designed as a direct replacement of the OEM damper, the PRO/SPORT Harmonic Damper has many features which exceed OEM requirements! Manufactured to the quality standards you have come to expect from a specialist Damper manufacturer, the PRO/SPORT SFI Harmonic Dampers are produced from quality carbon steel, with mechanical properties exceeding the stringent SFI Spec. #18.1 requirements!
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Spin tested to 12,500 rpm for one hour to comply with SFI Spec. #18.1, so when your racing needs require SFI certification, the PRO/SPORT Harmonic Damper is ready for the track.
Machined to exacting tolerances and assembled using pressure bonded elastomer technology of tried and proven design for optimum damping performance! The outer inertia ring is retained by a robust retention plate secured by 6 high tensile bolts to ensure maximum safety of the product. Extremely accurate and easy to read permanently engraved timing marks.
Features:
- Meets SFI Spec. #18.1
- Spin tested to 12,500 rpm
- Fully machined from high quality carbon steel
- Retained outer inertia ring
- 60° of permanently engraved timing marks (40° on SB Ford models)
- Pressure bonded elastomer
- Accurately balanced
- Removable counterweights on externally balanced models
