Heavy Duty "FatBoy Series" Upgrade, Uses belt width: 1/2 " or 5/8", Direction: Counter clockwise, Diameter Pulley: 6 ", Super Smooth "Xtreme Precision" Machined Pulley, Replaceable Pulley Bearing, High Torque Cool Coil Upgrade, ID: 1 ", Upgraded to 3 Layer "Xtreme TOUGH" Integrated, Water Tight Wire Harness
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