Fits 1969-1985 Chevrolet 262-400 Gen I Small Block with Long Water Pump. New chromed steel pulleys are a replacement for originals and are designed as matched sets to assure correct alignment of the drive belts. They are highly polished then chrome plated. Crankshaft Pulley = 7.30 inch diameter Water Pump Pulley = 6.30 inch diameter.
