Spectre's Triple Groove Pulley was designed for the '69-'85 small block Chevrolet with a long water pump. This crankshaft pulley with triple belt groove is triple chrome plated steel. Measuring 7 3/4 inches in diameter the triple groove pulley is engineered for optimum fit and function. Note - 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:- Triple chrome-plated steel
- Triple belt groove
- 7-3/4 In. diameter
- Easy to install