Spectre's Double Belt Groove Water Pump Pulley was designed for '69-'85 small block Chevrolet engines with long water pumps. Measuring 6 3/8 inches in diameter, the double belt groove water pump pulley is triple chrome plated steel. Identify the water pump by looking at the distance between it and the timing cover, long water pumps are about 1 inch away from the timing cover. Product Features:Double belt groove6-3/8 In. diameterIdentify the water pump by looking at the distance between it and the timing cover, long water pumps are about 1 In. away from the timing coverTriple chrome plated steel
