ACDelco Bolt - 11548781 Part #: 11548781 Line: ACD ACDelco Bolt 1 Year Limited Warranty Material: Steel Thread Size: M10 Length (in): 2-1/2 Inch Length (mm): 64mm Head Type: Hex Head Size (mm): 15mm Thread Length (in): 2-3/16 Inch Bolt Grade: Grade 10.9 Washer Included: Yes Heat Treated: No Show More Show Less