The XDP Engine Oil Pan Bolt Kit (Black-Phosphate) XD621 will replace the corroded oil pan bolts on your Dodge RAM 5.9L/6.7L Diesel. This kit features (32) Class 10.9 steel bolts that are coated with a durable Black-Phosphate coating. The flange on these bolts distributes pressure where they meet the mounting surface, eliminating the need for a separate washer. Features: Flanged Hex Head Class 10.9 Steel ScrewBlack-Phosphate Coating