Using only three parts (a laser-welded sealed housing, an internal inertia ring, and highly viscous silicone fluid between the two), SFI-approved Fluidampr harmonic dampers can control all crankshaft vibration–not just a limited frequency range. As a result, you get reduced wear on the main bearings and timing gear, more stable valvetrain operation, and less chance of crank failure.
Bore Diameter 0.787″
Degree Marking Range 1 timing mark
Degree Markings Engraved
Engine Balance Internal
Finish Black Zinc
Keyway Not Applicable
Length 1.620″
Material Steel
Mounting Hardware Included No
Outside Diameter 5-7/8″
Safety Rating SFI 18.1
Weight / Rotating Weight 5.8 lbs / 3.8 lbs