DESCRIPTION Single Groove Long Water Pump Pulley --Fits Small Block Chevy 265 283 305 327 350 383 400 using a long water pump. --Diameter: 6 9/16" --Height: 2 3/4" --Bolt Pattern: 2 3/4" --Center Hole: 1 1/8" --Material: Aluminum Single Groove Crankshaft Pulley --Designed for SBC crank long water pump. --Single belt groove. --High-quality polished aluminum finish. --5/8" Pilot hole. --The diameter of the pulley is 6 3/5". Package: Including all items in the pictures. Note: Professional Installation Is Highly Recommended (No Instruction Included). Your package will be shipped from multiple warehouses.
