Specifications: Alternator Pulley: Pulley Material - Aluminum Pulley Style - V-Belt Groove Quantity - 1 Pulley Attachment - Bolt-On Pulley Bore - 0.642" Outside Diameter - 2.775" Quantity - Sold Individually Nose Cover - Included Underdrive - No Overdrive - No Hardware - Included Alternator Fan: This listing is for a New Universal Aluminum Alternator Pulley Fan Constructed of thick gauge aluminum and with a high quality Satin Aluminum finish, this kit would be great addition to your project This is designed for GM & Ford Applications Fits for: .