Product Info Catalog Automotive Repair & Parts Belts & Pullys 1/2 x 3-1/2-Inch V-Groove Die-Cast Pulley 1/2 x 3-1/2-Inch V-Groove Die-Cast Pulley Request a Quote UPC: 96158350500 SKU: 113811 Model Number: 350A5 1/2" Bore x 3-1/2" Diameter, Single V-Groove Die Cast Pulley, For 4L Or 1/2" x 11/32" Belts, Hollow Head Set Screw.