Product Info: - Part: Idler Pulley - Material: Thermoplastic - Belt Type: SERPENTINE - Color: Black - Contact Surface: Smooth/Backside - Measurements: 70 millimeters By 24.5 millimeters By 8.2 millimeters By 24.5 millimeters - Mount Hole Diameter: 0.322 - Mount Hole Diameter: 8.2 - Outside Diameter: 70 - Pulley Width: 0.