Description
Harmonic 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 elastomer design to isolate vibration across the entire RPM range, protecting your investment whether you’re running a street engine or pushing peak horsepower on the dyno. SFI certification ensures this damper meets sanctioning body standards for drag racing and circle track competition.
- 6.625 in. OD
- External balance design
- Steel construction
- Small Block Ford fitment
- SFI 650211 certified
- Elastomer vibration isolation
- Black finish
- Bolt-on installation
- Sold individually






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