Click to enlargeChevy Small Block

Fluidampr 620101 Chevrolet small block harmonic damper.

6 1/4" diameter.

Weights 7.9 pounds.

Internally balanced.

Steel housing with black zinc chromate finish.

Made in the U.S.A. Proven for over 60 years.

Controls torsional vibrations at all rpm.

Safely increases torque and horsepower.

Extends crankshaft and bearing life.

Improves valve timing.

No tuning or maintenance required.

The shear gap is the space between the flywheel and the damper housing. During production the shear gap is filled with viscous silicone fluid. Silicone fluid is the best damping media available.

Other dampers absorb vibrations through rubber or mechanical methods that have to be tuned to each frequency.

Only Fluidampr, with its silcone technology can effectively control torsional vibrations at all frequencies.

The inertia ring inside the Fluidampr shears through a thin film of highly viscous silicone fluid to effectively control harmonic vibration at all engine speeds. But what is silicone fluid really like? Well, fluid is somewhat of a misnomer because it is really more like a gel. The silicone fluid used in Fluidampr is clear in color and is more than 45,000 times thicker (more viscous) than 30 weight motor oil. Silicone fluid is a very good damping medium because it is relatively unaffected by temperature changes. Thus it provides consistent damping in both winter and summer. The fluid does not harden or change viscosity if a Fluidampr is not used for a period of time. Fluidampr is guaranteed for as long as you own it.

Inside every Fluidampr is a steel flywheel. Each flywheel is machined and balanced to ensure precision fit and performance. Bore sizes are held to extremely tight tolerances based on OEM specifications.

Fits Chevrolet small block 262 - 327 - 350 internally balanced engines.

NOTE: Will not fit 1992 and newer engines and will not fit the LT-1 engine.


Fluidampr 620101 Fluidampr 6 1/4" harmonic damper Chevy small block harmonic damper 620101$299.97
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