Super Smooth "Xtreme Precision" Machined Pulley, Upgraded to 3 Layer "Xtreme TOUGH" Integrated, Water Tight Wire Harness, High Torque Cool Coil Upgrade, ID: 1 1/8 ", Diameter Pulley: 4 1/2" and 4 " double, Replaceable Pulley Bearing, Uses belt width: 5/8 Double B, Direction: Counter clockwise, High Temperature Bearing Upgrade
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