part 9.917-455.0 Stud screw M16 x 270 Hawk code 9.917-455.0 Details Hawk number9.917-455.0 DescriptionStud screw M16 x 270 ItalianVITE PRIGIONIERA M16x270Qty per pump4 Fits these pumps Hawk GXX 4 GXX1710SLGXX1710SRGXX2410LGXX2410R