This is a pack of four (4) hex flange head bolts for GM vehicles. These bolts have a flanged bottom that serves as a washer. These are for many different applications for many different GM vehicles. You will receive 4 bolts per order. (Contact us for a bulk pricing if you want to purchase a lot of these bolts)

M8 X 1.25 X 55

Thread Diameter: M8

Thread Pitch: 1.25mm

Flange Diameter: 18mm

Head Size: 13mm

Length: 55mm (overall)

Shank Length: 28mm

Thread Length: 27mm

Grade: 9.8

GM Part # 11516342

Alternate GM Part # 10095393

Item is number 3 in the GM diagram.