Aeroflow Small Block Ford Windsor, Ford Cleveland & Holden V8 253-308 Oil Pan Stud Kit - Black Finish (AF37-2310)SMALL BLOCK FORD OIL PAN STUD 12 Point Nuts and 8740 Grade Material Part Number: AF37 2310 Aeroflow Performance oil pan studs are designed to make installation of your oil pan as easy as it can be. The studs all feature a bullet nose radius on the ends to help locate the pan rail holes, this also allows the nuts to be easily installed without the risk of cross threading. These oil studs are manufactured from aircraft quality 8740 high tensile strength