Overview Reviews Product Description 8L90 & 8L45 Sprocket Kit - Includes driven sprocket located on the pump and the chain. Product Videos Product Reviews Write a Review Write a Review × AC Delco 8L90 8L45 Sprocket Kit Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *