Out of stock
SKU: FLU740121
MPN: 740121
The LS1/LS6 7-1/2 Harmonic Damper - SFI by FLUIDAMPR is the premium choice for serious LS engine builders and street/strip enthusiasts who demand reliability under extreme conditions. Harmonic dampers absorb crankshaft vibrations that can lead to fatigue failure, resonance peaks, and reduced engine longevity—especially critical in high-horsepower applications where stock components fall short.
This SFI-certified damper is engineered specifically for LS1 and LS6 platforms, delivering the precision tuning those engines require whether you're running naturally aspirated, turbocharged, or supercharged power. FLUIDAMPR's fluid-filled design uses a sealed elastomer ring suspended in premium oil to provide frequency-dependent damping—the ring softens and absorbs vibration at critical harmonic peaks while remaining rigid during normal operation.
The robust construction handles repeated thermal cycling and maintains damping performance across a wide RPM range—essential for engines regularly pushed to 7,000+ RPM or modified boost levels. LS engine swappers, track-focused builders, and performance shops trust this damper for naturally aspirated, turbocharged, or supercharged applications.
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