Fluidampr Harmonic Damper [Bore Diameter 1.2583" | Drive Belt Type Serpentine | Pulley Groove Quantity 7 | Degree Marking Range TDC. 2 marks 5 deg. | Degree Markings Engraved | Engine Balance Internal | Finish Black Zinc | Keyway Single | Length 3.140" | Material Steel | | Mounting Hardware Included No | Outside Diameter 6" | Pulley Finish Black Hard Coat Anodized | Safety Rating SFI 18.1 | Weight/Rotating Weight 9.7/6.4 lbs] (2009-2021 Nissan GT-R) - Click Image to Close