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 1.1800″
Degree Marking Range 7 marks, 5 degrees apart
Degree Markings Engraved
Engine Balance Internal
Finish Black Zinc
Keyway Single; (5mm)
Length 3.131″
Material Steel
Mounting Hardware Included No
Outside Diameter 6-1/8″
Pulley Finish Black Hard Coat Anodized
Safety Rating SFI 18.1
Weight / Rotating Weight 11.0 lbs / 7.3 lbs